diff --git a/lib/backport_session.js b/lib/backport_session.js
index de385d12..9b611e51 100644
--- a/lib/backport_session.js
+++ b/lib/backport_session.js
@@ -167,7 +167,7 @@ export default class BackportSession extends Session {
       }
     } else if (!this.isBranchUpToDateWithUpstream(this.stagingBranch)) {
       const shouldSyncBranch = await cli.prompt(
-        `It seems like your ${this.stagingBranch} is behind the ${this.upstream} remote` +
+        `It seems like your ${this.stagingBranch} is behind the ${this.upstream} remote ` +
         'do you want to sync it?', { defaultAnswer: true });
 
       if (shouldSyncBranch) {