diff --git a/README.md b/README.md
index 1ff6f71..3fc039e 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Usage
 -----
 
 - Define users as last arguments to `docker run`, one user per argument  
-  (syntax: `user:pass[:e][:[uid][:gid]]`).
+  (syntax: `user:[pass[:e]][:[uid][:gid]]`).
   - You must set custom UID for your users if you want them to make changes to
     your mounted volumes with permissions matching your host filesystem.
 - Mount volumes in user's home folder.
diff --git a/run b/run
index 378a452..ffe45f9 100644
--- a/run
+++ b/run
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 for users in "$@"; do
-    # user:pass[:e][:[uid][:gid]]
+    # user:[pass[:e]][:[uid][:gid]]
     IFS=':' read -a data <<< "$users"
     user="${data[0]}"
     pass="${data[1]}"