diff --git a/README b/README
index a010c4595a6e3a113879659390b373553c6e07d3..b0a21c610f7ab4c380e523b51c6f74b81f98a2f2 100644
--- a/README
+++ b/README
@@ -11,7 +11,10 @@
 
 See INSTALL.swift for install instructions.
 
-Usage: swift [OPTION] PARAMFILE
+Usage: swift [OPTION]... PARAMFILE
+       swift_mpi [OPTION]... PARAMFILE
+       swift_fixdt [OPTION]... PARAMFILE
+       swift_fixdt_mpi [OPTION]... PARAMFILE
 
 Valid options are:
   -a          Pin runners using processor affinity
diff --git a/examples/main.c b/examples/main.c
index 9f371d64dde9c66f118477beb145f426946fc9d9..2637789e323439d9f0e467451294707e4f095666 100644
--- a/examples/main.c
+++ b/examples/main.c
@@ -50,7 +50,11 @@
  */
 void print_help_message() {
 
-  printf("\nUsage: swift [OPTION] PARAMFILE\n\n");
+  printf("\nUsage: swift [OPTIONS] PARAMFILE\n");
+  printf("       swift_mpi [OPTIONS] PARAMFILE\n");
+  printf("       swift_fixdt [OPTIONS] PARAMFILE\n");
+  printf("       swift_fixdt_mpi [OPTIONS] PARAMFILE\n\n");
+
   printf("Valid options are:\n");
   printf("  %2s %8s %s\n", "-a", "", "Pin runners using processor affinity");
   printf("  %2s %8s %s\n", "-c", "", "Run with cosmological time integration");