diff --git a/README b/README
index 8d722a66da5083889e0adfb5af51206509bef53d..cd1be807a686732fccdca40012914521ab8d5059 100644
--- a/README
+++ b/README
@@ -41,7 +41,9 @@ Parameters:
                                       black holes seeding.
     -x, --velociraptor                Run with structure finding.
     --limiter                         Run with time-step limiter.
-    
+    --sync                            Run with time-step synchronization
+                                      of particles hit by feedback events.
+
   Control options:
   
     -a, --pin                         Pin runners using processor affinity.
diff --git a/README.md b/README.md
index f91b03d3f6a9656e33adc3216a15ed41e7b971de..c4fca31879302f7dd2e25203d7e93aa40aaa58f0 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,8 @@ Parameters:
                                       perform black hole seeding.
     -x, --velociraptor                Run with structure finding.
     --limiter                         Run with time-step limiter.
+    --sync                            Run with time-step synchronization
+                                      of particles hit by feedback events.
 
   Control options:
   
diff --git a/doc/RTD/source/CommandLineOptions/index.rst b/doc/RTD/source/CommandLineOptions/index.rst
index 5251b36f7394465c59577932155544a755c0ee43..353c8eafbf0e2889c615cc30d8b08c492558f096 100644
--- a/doc/RTD/source/CommandLineOptions/index.rst
+++ b/doc/RTD/source/CommandLineOptions/index.rst
@@ -38,6 +38,8 @@ can be found by typing ``./swift -h``:
                                       perform black hole seeding.
     -x, --velociraptor                Run with structure finding.
     --limiter                         Run with time-step limiter.
+    --sync                            Run with time-step synchronization
+                                      of particles hit by feedback events.
 
   Control options:
 
diff --git a/examples/main.c b/examples/main.c
index 57a30bcd1a84beff377990525513a66681b7390a..21b595954e99b3c5b32e8de75cbb8e2f3aa18855 100644
--- a/examples/main.c
+++ b/examples/main.c
@@ -222,7 +222,9 @@ int main(int argc, char *argv[]) {
                   "Run with structure finding.", NULL, 0, 0),
       OPT_BOOLEAN(0, "limiter", &with_timestep_limiter,
                   "Run with time-step limiter.", NULL, 0, 0),
-      OPT_BOOLEAN(0, "sync", &with_timestep_sync, "Run with time-step sync.",
+      OPT_BOOLEAN(0, "sync", &with_timestep_sync,
+                  "Run with time-step synchronization of particles hit by "
+                  "feedback events.",
                   NULL, 0, 0),
 
       OPT_GROUP("  Control options:\n"),