diff --git a/aws-applicationinsights-application/aws-applicationinsights-application.json b/aws-applicationinsights-application/aws-applicationinsights-application.json
index d15b2e1..a2190a1 100644
--- a/aws-applicationinsights-application/aws-applicationinsights-application.json
+++ b/aws-applicationinsights-application/aws-applicationinsights-application.json
@@ -195,7 +195,7 @@
                 "Tier": {
                     "description": "The tier of the application component.",
                     "type": "string",
-		    "pattern": "^[A-Z][[A-Z]_]*$"
+		            "pattern": "^[A-Z][A-Z_]*$"
                 },
                 "ComponentConfigurationMode": {
                     "description": "The component monitoring configuration mode.",
@@ -373,7 +373,7 @@
                 "LogType": {
                     "description": "The log type decides the log patterns against which Application Insights analyzes the log.",
                     "type": "string",
-                    "pattern": "^[A-Z][[A-Z]_]*$"
+                    "pattern": "^[A-Z][A-Z_]*$"
                 },
                 "Encoding": {
                     "description": "The type of encoding of the logs to be monitored.",