Update gitlab.md

bbodenmiller · web-flow · commit 97f4ebd5eb91 · 2023-01-10T00:06:27.000-08:00
diff --git a/docs/gitlab.md b/docs/gitlab.md
@@ -2,7 +2,7 @@
 
 Git Credential Manager supports [gitlab.com][gitlab] out the box.
 
-## Using on a another instance
+## Using on another instance
 
 To use on another instance, eg. `https://gitlab.example.com` requires setup and
 configuration:
