diff --git a/docs/SWTPM.md b/docs/SWTPM.md
index 34256fd..cc2acc0 100644
--- a/docs/SWTPM.md
+++ b/docs/SWTPM.md
@@ -35,7 +35,7 @@ make
 
 Running:
 ```
-./tpm_server --rm
+./tpm_server -rm
 ```
 
 The rm switch is optional and remove the cache file