diff --git a/pkg/cmd/pr/create/create.go b/pkg/cmd/pr/create/create.go
index f3bd12870..3bfa768b7 100644
--- a/pkg/cmd/pr/create/create.go
+++ b/pkg/cmd/pr/create/create.go
@@ -121,7 +121,8 @@ func NewCmdCreate(f *cmdutil.Factory, runF func(*CreateOptions) error) *cobra.Co
 
 			The base branch for the created PR can be specified using the %[1]s--base%[1]s flag. If not provided,
 			the value of %[1]sgh-merge-base%[1]s git branch config will be used. If not configured, the repository's
-			default branch will be used.
+			default branch will be used. Run %[1]sgit config branch.{current}.gh-merge-base {base}%[1]s to configure
+			the current branch to use the specified merge base.
 
 			Link an issue to the pull request by referencing the issue in the body of the pull
 			request. If the body text mentions %[1]sFixes #123%[1]s or %[1]sCloses #123%[1]s, the referenced issue