diff --git a/themes/barbuk/README.md b/themes/barbuk/README.md
index 52727e04..8cf4be76 100644
--- a/themes/barbuk/README.md
+++ b/themes/barbuk/README.md
@@ -36,7 +36,7 @@ BARBUK_EXIT_CODE_ICON=' '
 Define your custom glyphs before sourcing bash-it:
 
 ```bash
-SCM_GIT_CHAR_GITHUB='•'
+export BARBUK_GITHUB_CHAR='•'
 source "$BASH_IT"/bash_it.sh
 ```