Amended Description

Author: jufemaiz

templates/aws-stack.yml

@@ -110,7 +110,7 @@ Parameters:
     Default: ""
 
   BuildkiteAgentTokenParameterStorePath:
-    Description: AWS SSM path to the Buildkite agent registration token (this takes precedence over BuildkiteAgentToken)
+    Description: AWS SSM path to the Buildkite agent registration token (this takes precedence over BuildkiteAgentToken). Expects a leading slash ('/').
     Type: String
     Default: ""
     AllowedPattern: "^/[a-zA-Z0-9_.-]+$"