diff --git a/pages/common/su.md b/pages/common/su.md
index 0eb0258b3..8b8364399 100644
--- a/pages/common/su.md
+++ b/pages/common/su.md
@@ -2,14 +2,18 @@
 
 > Switch shell to another user.
 
-- Switch to superuser (admin password required):
+- Switch to superuser (requires the root password):
 
 `su`
 
-- Switch to user {{username}} (password required):
+- Switch to a given user (requires the user's password):
 
 `su {{username}}`
 
-- Switch to user {{username}} and simulate a full login shell:
+- Switch to a given user and simulate a full login shell:
 
 `su - {{username}}`
+
+- Execute a command as another user:
+
+`su - {{username}} -c "{{command}}"`