diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index e5bdfd2d..8238190a 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -1657,14 +1657,14 @@ powerlevel9k_vcs_init() {
   fi
 }
 
-# If not empty, should be a command that provides vcs info in the format of gitstatus.
-# See https://github.com/romkatv/gitstatus.
-set_default POWERLEVEL9K_VCS_STATUS_COMMAND ""
-
 ################################################################
 # Segment to show VCS information
 prompt_vcs() {
-  if [[ -z $POWERLEVEL9K_VCS_STATUS_COMMAND ]]; then
+  # If POWERLEVEL9K_VCS_STATUS_COMMAND isn't empty, it should be a command that provides vcs info
+  # in the format of gitstatus. See https://github.com/romkatv/gitstatus. If you enable gitstatus,
+  # it'll define POWERLEVEL9K_VCS_STATUS_COMMAND for you. To disable, you can explicitly set
+  # POWERLEVEL9K_VCS_STATUS_COMMAND="".
+    if [[ -z $POWERLEVEL9K_VCS_STATUS_COMMAND ]]; then
     VCS_WORKDIR_DIRTY=false
     VCS_WORKDIR_HALF_DIRTY=false
     local current_state=""