diff --git a/pages/common/tree.md b/pages/common/tree.md
index c488b00ac..515b26032 100644
--- a/pages/common/tree.md
+++ b/pages/common/tree.md
@@ -2,7 +2,7 @@
 
 > Show the contents of the current directory as a tree.
 
-- Show files and directories with a depth of 'num':
+- Show files and directories with a depth of 'num' (where 1 means the current directory):
 
 `tree -L {{num}}`