diff --git a/content/en/docs/concepts/configuration/configmap.md b/content/en/docs/concepts/configuration/configmap.md
index 23d2a9dbed..1c1a24106e 100644
--- a/content/en/docs/concepts/configuration/configmap.md
+++ b/content/en/docs/concepts/configuration/configmap.md
@@ -60,7 +60,7 @@ metadata:
   name: game-demo
 data:
   # property-like keys; each key maps to a simple value
-  player_initial_lives: 3
+  player_initial_lives: "3"
   ui_properties_file_name: "user-interface.properties"
   #
   # file-like keys