diff --git a/LanguageWeaverProvider/Constants.cs b/LanguageWeaverProvider/Constants.cs
index 9a546f0a1..24ad8ff6e 100644
--- a/LanguageWeaverProvider/Constants.cs
+++ b/LanguageWeaverProvider/Constants.cs
@@ -3,12 +3,12 @@
 	public class Constants
 	{
         public const string METADATA_EVALUATED_AT_FORMAT = "M/d/yyyy HH:mm:ss";
-        public const string METADATA_EVALUATED_AT_PREFIX = "tqe_evaluated_at_";
-        public const string METADATA_DESCRIPTION_PREFIX = "tqe_description_";
+        public const string METADATA_EVALUATED_AT_PREFIX = "tqe-evaluated-at-";
+        public const string METADATA_DESCRIPTION_PREFIX = "tqe-description-";
         public const string METADATA_DESCRIPTION = "This was evaluated using the TQE system {0} with the {1} model";
-        public const string METADATA_MODEL_PREFIX = "tqe_model_";
-        public const string METADATA_SCORE_PREFIX = "tqe_score_";
-        public const string METADATA_SYSTEM_PREFIX = "tqe_system_";
+        public const string METADATA_MODEL_PREFIX = "tqe-model-";
+        public const string METADATA_SCORE_PREFIX = "tqe-score-";
+        public const string METADATA_SYSTEM_PREFIX = "tqe-system-";
         public const string METADATA_SYSTEM_NAME = "lw-qe";
 
         public const string TraceAppKey = "Trace-App";