diff --git a/src/user_options.c b/src/user_options.c
index 986162533..e08ee37ba 100644
--- a/src/user_options.c
+++ b/src/user_options.c
@@ -820,7 +820,7 @@ int user_options_sanity (hashcat_ctx_t *hashcat_ctx)
 
     if (user_options->hc_argc < 2)
     {
-      if (user_options->keyspace == false) // special case, we do not need a hash file
+      if (user_options->keyspace == false) // --keyspace would be a special case, i.e. we do not need a hash file
       {
         event_log_error (hashcat_ctx, "You need to specify a mask if you specify a custom-charset");