chore(zsh-navigation-tools): fix typo (#11960)

plugins/zsh-navigation-tools/n-list

@@ -467,7 +467,7 @@ while (( 1 )); do
     elif [ -n "$keypad" ]; then
         final_key="$keypad"
     else
-        _nlist_status_msg "Inproper input detected"
+        _nlist_status_msg "Improper input detected"
         zcurses refresh main inner
     fi