diff --git a/README b/README
index e3bf5a6d6ccba89bd2db0f0065bf29d963e517a3..97d096ef1804a4348e88dfaf67c22b2c427a3ad8 100644
--- a/README
+++ b/README
@@ -1,9 +1,9 @@
  Welcome to the cosmological hydrodynamical code
     ______       _________________
    / ___/ |     / /  _/ ___/_  __/
-   \__ \| | /| / // // /_   / /   
-  ___/ /| |/ |/ // // __/  / /    
- /____/ |__/|__/___/_/    /_/     
+   \__ \| | /| / // // /_   / /
+  ___/ /| |/ |/ // // __/  / /
+ /____/ |__/|__/___/_/    /_/
  SPH With Inter-dependent Fine-grained Tasking
 
 Website: www.swiftsim.com
@@ -18,52 +18,52 @@ Usage: swift [options] [[--] param-file]
 
 Parameters:
 
-    -h, --help                        show this help message and exit 
+    -h, --help                        show this help message and exit
 
   Simulation options:
-    -b, --feedback                    Run with stars feedback 
-    -c, --cosmology                   Run with cosmological time integration. 
-    -C, --cooling                     Run with cooling 
+    -b, --feedback                    Run with stars feedback
+    -c, --cosmology                   Run with cosmological time integration.
+    -C, --cooling                     Run with cooling
+    -D, --drift-all                   Always drift all particles even the ones
+                                      far from active particles. This emulates
+                                      Gadget-[23] and GIZMO's default behaviours.
     -F, --sourceterms
-    -g, --external-gravity            Run with an external gravitational potential. 
-    -G, --self-gravity                Run with self-gravity. 
-    -M, --multipole-reconstruction    Reconstruct the multipoles every time-step. 
-    -s, --hydrodynamics               Run with hydrodynamics. 
-    -S, --stars                       Run with stars 
-    -x, --velociraptor                Run with structure finding 
+    -g, --external-gravity            Run with an external gravitational potential.
+    -G, --self-gravity                Run with self-gravity.
+    -M, --multipole-reconstruction    Reconstruct the multipoles every time-step.
+    -s, --hydro                       Run with hydrodynamics.
+    -S, --stars                       Run with stars
+    -x, --velociraptor                Run with structure finding
 
   Control options:
-    -a, --affinity                    Pin runners using processor affinity. 
-    -d, --dry-run                     Dry run. Read the parameter file, allocates 
-                                      memory but does not read the particles 
-                                      from ICs. Exits before the start of time 
-                                      integration. Checks the validity of 
-                                      parameters and IC files as well as memory 
-                                      limits. 
-    -D, --drift-all                   Always drift all particles even the ones 
-                                      far from active particles. This emulates 
-                                      Gadget-[23] and GIZMO's default behaviours. 
-    -e, --fpe                         Enable floating-point exceptions (debugging 
-                                      mode). 
-    -f, --cpu-frequency=<str>         Overwrite the CPU frequency (Hz) to be 
-                                      used for time measurements. 
-    -n, --steps=<int>                 Execute a fixed number of time steps. 
-                                      When unset use the time_end parameter 
-                                      to stop. 
-    -o, --output-params=<str>         Generate a default output parameter 
-                                      file. 
-    -P, --param=<str>                 Set parameter value, overwriting a value 
-                                      read from the parameter file. Can be used 
-                                      more than once {sec:par:value}. 
-    -r, --restart                     Continue using restart files. 
-    -t, --threads=<int>               The number of threads to use on each MPI 
-                                      rank. Defaults to 1 if not specified. 
-    -T, --timers=<int>                Print timers every time-step. 
-    -v, --verbose=<int>               Run in verbose mode, in MPI mode 2 outputs 
-                                      from all ranks. 
-    -y, --task-dumps=<int>            Time-step frequency at which task graphs 
-                                      are dumped. 
-    -Y, --threadpool-dumps=<int>      Time-step frequency at which threadpool 
-                                      tasks are dumped. 
+    -a, --pin                         Pin runners using processor affinity.
+    -d, --dry-run                     Dry run. Read the parameter file, allocates
+                                      memory but does not read the particles
+                                      from ICs. Exits before the start of time
+                                      integration. Checks the validity of
+                                      parameters and IC files as well as memory
+                                      limits.
+    -e, --fpe                         Enable floating-point exceptions (debugging
+                                      mode).
+    -f, --cpu-frequency=<str>         Overwrite the CPU frequency (Hz) to be
+                                      used for time measurements.
+    -n, --steps=<int>                 Execute a fixed number of time steps.
+                                      When unset use the time_end parameter
+                                      to stop.
+    -o, --output-params=<str>         Generate a default output parameter
+                                      file.
+    -P, --param=<str>                 Set parameter value, overiding the value
+                                      read from the parameter file. Can be used
+                                      more than once {sec:par:value}.
+    -r, --restart                     Continue using restart files.
+    -t, --threads=<int>               The number of threads to use on each MPI
+                                      rank. Defaults to 1 if not specified.
+    -T, --timers=<int>                Print timers every time-step.
+    -v, --verbose=<int>               Run in verbose mode, in MPI mode 2 outputs
+                                      from all ranks.
+    -y, --task-dumps=<int>            Time-step frequency at which task graphs
+                                      are dumped.
+    -Y, --threadpool-dumps=<int>      Time-step frequency at which threadpool
+                                      tasks are dumped.
 
 See the file examples/parameter_example.yml for an example of parameter file.
diff --git a/README.md b/README.md
index 96bda4d304692d980fe60759cd70e8a71c356ec3..94e95776cd80c1bb822f0f68290c2add9d2bb58b 100644
--- a/README.md
+++ b/README.md
@@ -72,25 +72,25 @@ Parameters:
     -b, --feedback                    Run with stars feedback
     -c, --cosmology                   Run with cosmological time integration.
     -C, --cooling                     Run with cooling
+    -D, --drift-all                   Always drift all particles even the ones
+                                      far from active particles. This emulates
+                                      Gadget-[23] and GIZMO's default behaviours.
     -F, --sourceterms
     -g, --external-gravity            Run with an external gravitational potential.
     -G, --self-gravity                Run with self-gravity.
     -M, --multipole-reconstruction    Reconstruct the multipoles every time-step.
-    -s, --hydrodynamics               Run with hydrodynamics.
+    -s, --hydro                       Run with hydrodynamics.
     -S, --stars                       Run with stars
     -x, --velociraptor                Run with structure finding
 
   Control options:
-    -a, --affinity                    Pin runners using processor affinity.
+    -a, --pin                         Pin runners using processor affinity.
     -d, --dry-run                     Dry run. Read the parameter file, allocates
                                       memory but does not read the particles
                                       from ICs. Exits before the start of time
                                       integration. Checks the validity of
                                       parameters and IC files as well as memory
                                       limits.
-    -D, --drift-all                   Always drift all particles even the ones
-                                      far from active particles. This emulates
-                                      Gadget-[23] and GIZMO's default behaviours.
     -e, --fpe                         Enable floating-point exceptions (debugging
                                       mode).
     -f, --cpu-frequency=<str>         Overwrite the CPU frequency (Hz) to be
@@ -100,7 +100,7 @@ Parameters:
                                       to stop.
     -o, --output-params=<str>         Generate a default output parameter
                                       file.
-    -P, --param=<str>                 Set parameter value, overwriting a value
+    -P, --param=<str>                 Set parameter value, overiding the value
                                       read from the parameter file. Can be used
                                       more than once {sec:par:value}.
     -r, --restart                     Continue using restart files.
diff --git a/doc/RTD/source/CommandLineOptions/index.rst b/doc/RTD/source/CommandLineOptions/index.rst
index e71c85be23915970fb842c80c070821d4cbd0487..9fb9d784d6057e4d9aa4a923143d622e577f142c 100644
--- a/doc/RTD/source/CommandLineOptions/index.rst
+++ b/doc/RTD/source/CommandLineOptions/index.rst
@@ -19,25 +19,25 @@ can be found by typing ``./swift -h``::
     -b, --feedback                    Run with stars feedback
     -c, --cosmology                   Run with cosmological time integration.
     -C, --cooling                     Run with cooling
+    -D, --drift-all                   Always drift all particles even the ones
+                                      far from active particles. This emulates
+                                      Gadget-[23] and GIZMO's default behaviours.
     -F, --sourceterms
     -g, --external-gravity            Run with an external gravitational potential.
     -G, --self-gravity                Run with self-gravity.
     -M, --multipole-reconstruction    Reconstruct the multipoles every time-step.
-    -s, --hydrodynamics               Run with hydrodynamics.
+    -s, --hydro                       Run with hydrodynamics.
     -S, --stars                       Run with stars
     -x, --velociraptor                Run with structure finding
 
   Control options:
-    -a, --affinity                    Pin runners using processor affinity.
+    -a, --pin                         Pin runners using processor affinity.
     -d, --dry-run                     Dry run. Read the parameter file, allocates
                                       memory but does not read the particles
                                       from ICs. Exits before the start of time
                                       integration. Checks the validity of
                                       parameters and IC files as well as memory
                                       limits.
-    -D, --drift-all                   Always drift all particles even the ones
-                                      far from active particles. This emulates
-                                      Gadget-[23] and GIZMO's default behaviours.
     -e, --fpe                         Enable floating-point exceptions (debugging
                                       mode).
     -f, --cpu-frequency=<str>         Overwrite the CPU frequency (Hz) to be
@@ -47,7 +47,7 @@ can be found by typing ``./swift -h``::
                                       to stop.
     -o, --output-params=<str>         Generate a default output parameter
                                       file.
-    -P, --param=<str>                 Set parameter value, overwriting a value
+    -P, --param=<str>                 Set parameter value, overiding the value
                                       read from the parameter file. Can be used
                                       more than once {sec:par:value}.
     -r, --restart                     Continue using restart files.
@@ -60,4 +60,3 @@ can be found by typing ``./swift -h``::
                                       are dumped.
     -Y, --threadpool-dumps=<int>      Time-step frequency at which threadpool
                                       tasks are dumped.
-
diff --git a/doc/RTD/source/GettingStarted/running_example.rst b/doc/RTD/source/GettingStarted/running_example.rst
index 7c9e333ca971ec73f3c2e25b56cc8e1381385567..9dfbdd8c8ec98ea59892a551691aa5f230052e2e 100644
--- a/doc/RTD/source/GettingStarted/running_example.rst
+++ b/doc/RTD/source/GettingStarted/running_example.rst
@@ -14,7 +14,7 @@ as ``wget`` for grabbing the glass).
    cd examples/SodShock_3D
    ./getGlass.sh
    python makeIC.py
-   ../swift -s -t 4 sodShock.yml
+   ../swift --hydro --threads=4 sodShock.yml
    python plotSolution.py 1
 
 
diff --git a/doc/RTD/source/GettingStarted/running_on_large_systems.rst b/doc/RTD/source/GettingStarted/running_on_large_systems.rst
index 55eb812cef21474045931490591b3978841a4085..8bd3a76985e9181bae1a715564e58d2052dd15fc 100644
--- a/doc/RTD/source/GettingStarted/running_on_large_systems.rst
+++ b/doc/RTD/source/GettingStarted/running_on_large_systems.rst
@@ -38,5 +38,5 @@ each with 2x16 core processors for a total of 512 cores):
    #SBATCH -N 16  # Number of nodes to run on
    #SBATCH --tasks-per-node=2  # This system has 2 chips per node
    
-   mpirun -np 32 swift_mpi -t 16 -a parameter.yml
+   mpirun -np 32 swift_mpi --threads=16 --pin parameter.yml
 
diff --git a/doc/RTD/source/ParameterFiles/output_selection.rst b/doc/RTD/source/ParameterFiles/output_selection.rst
index e22075392b7f93fe493e1e7dfdffb1d368a74c46..90ab0f9a7c738c28832bc36de83c4034141d4b21 100644
--- a/doc/RTD/source/ParameterFiles/output_selection.rst
+++ b/doc/RTD/source/ParameterFiles/output_selection.rst
@@ -37,7 +37,7 @@ Example of file with redshift::
   5
 
 .. _Output_selection_label:
-  
+
 Output Selection
 ~~~~~~~~~~~~~~~~
 
@@ -59,7 +59,7 @@ waste of disk space. The corresponding section of the ``yaml``
 parameter file would look like this::
 
   SelectOutput:
-    Masses_DM:   0 
+    Masses_DM:   0
 
 You can generate a ``yaml`` file containing all the possible fields
-available for a given configuration of SWIFT by running ``./swift -o output.yml``. 
+available for a given configuration of SWIFT by running ``./swift --output-params output.yml``.
diff --git a/doc/RTD/source/VELOCIraptorInterface/stfwithswift.rst b/doc/RTD/source/VELOCIraptorInterface/stfwithswift.rst
index ac8dcc5b0b3c4b6b77dbd5dc79be2613eae0edc6..245b455d583d3ccdca02463e2afc6100e14dfb31 100644
--- a/doc/RTD/source/VELOCIraptorInterface/stfwithswift.rst
+++ b/doc/RTD/source/VELOCIraptorInterface/stfwithswift.rst
@@ -85,10 +85,9 @@ the Small Cosmological Volume DMO example we can run a simulation with halo
 finder as::
 
   cd examples/SmallCosmoVolume_DM 
-  ../swift -c -s -G -x -t 8 small_cosmo_volume_dm.yml
+  ../swift --cosmology --hydro --self-gravity --velociraptor --threads=8 small_cosmo_volume_dm.yml
 
-In which there is an additional ``-x`` option which activates the VELOCIraptor
-interface.
+Which activates the VELOCIraptor interface.
 
 
 .. _GitHub: https://github.com/pelahi/VELOCIraptor-STF