diff --git a/src/Runner.Listener/SelfUpdater.cs b/src/Runner.Listener/SelfUpdater.cs
index 755329dce..9aacf336c 100644
--- a/src/Runner.Listener/SelfUpdater.cs
+++ b/src/Runner.Listener/SelfUpdater.cs
@@ -98,7 +98,7 @@ namespace GitHub.Runner.Listener
                 invokeScript.Start();
                 Trace.Info($"Update script start running");
 
-                await UpdateRunnerUpdateStateAsync("Runner will exit shortly for update, should back online within 10 seconds.");
+                await UpdateRunnerUpdateStateAsync("Runner will exit shortly for update, should be back online within 10 seconds.");
 
                 return true;
             }