diff --git a/README b/README
index 8587a13b3583b9e1ccb1612b0a1abf905b7a2218..6a850c5cd4a88a3588497c9637335b9967f73efd 100644
--- a/README
+++ b/README
@@ -90,5 +90,8 @@ Parameters:
                                       are dumped. 
     -Y, --threadpool-dumps=<int>      Time-step frequency at which threadpool
                                       tasks are dumped.
+    --dump-tasks-threshold=<flt>      Fraction of the total step's time spent 
+                                      in a task to trigger a dump of the task plot 
+                                      on this step 
 
 See the file examples/parameter_example.yml for an example of parameter file.
diff --git a/README.md b/README.md
index 7223f4719ab99fc01c103c6813ca319f89424a49..bae021843e63967c3134d419ec28892a9e177b34 100644
--- a/README.md
+++ b/README.md
@@ -178,5 +178,8 @@ Parameters:
                                       are dumped. 
     -Y, --threadpool-dumps=<int>      Time-step frequency at which threadpool
                                       tasks are dumped.
+    --dump-tasks-threshold=<flt>      Fraction of the total step's time spent 
+                                      in a task to trigger a dump of the task plot 
+                                      on this step 
 
 See the file examples/parameter_example.yml for an example of parameter file.
diff --git a/doc/RTD/source/CommandLineOptions/index.rst b/doc/RTD/source/CommandLineOptions/index.rst
index 2de6c6bb254aadc940db35de6806fc7785152f3e..bef995382041397f4eafa9924b0cf72bc222dc74 100644
--- a/doc/RTD/source/CommandLineOptions/index.rst
+++ b/doc/RTD/source/CommandLineOptions/index.rst
@@ -87,3 +87,6 @@ can be found by typing ``./swift -h``:
                                       are dumped. 
     -Y, --threadpool-dumps=<int>      Time-step frequency at which threadpool
                                       tasks are dumped.
+    --dump-tasks-threshold=<flt>      Fraction of the total step's time spent 
+                                      in a task to trigger a dump of the task plot 
+                                      on this step