diff --git a/README.md b/README.md
index 0c6f839..3b76a4e 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ tree -d                   # List directory tree
 cd foo                    # Go to foo sub-directory
 cd                        # Go to home directory
 cd ~                      # Go to home directory
+cd ..                     # Go to parent directory
 cd -                      # Go to last directory
 pushd foo                 # Go to foo sub-directory and add previous directory to stack
 popd                      # Go back to directory in stack saved by `pushd`
@@ -691,3 +692,4 @@ case $weather in
   ;;
 esac
 ```
+