diff --git a/proto/caosdb/entity/v1/main.proto b/proto/caosdb/entity/v1/main.proto
index 224d1afc8b57566d080ca4a686177196464c482a..ce0f1ea505ba88c7fbdb5612e0c4be47acddc91c 100644
--- a/proto/caosdb/entity/v1/main.proto
+++ b/proto/caosdb/entity/v1/main.proto
@@ -294,7 +294,8 @@ enum MessageCode {
   // This reference cannot be identified due to name duplicates.
   MESSAGE_CODE_REFERENCE_NAME_DUPLICATES = 50;
 
-  // The datatype which is to be inherited could not be detected due to divergent datatypes of at least two parents.
+  // The datatype which is to be inherited could not be detected due to
+  // divergent datatypes of at least two parents.
   MESSAGE_CODE_DATA_TYPE_INHERITANCE_AMBIGUOUS = 51;
 
   // This datatype does not accept collections of values (e.g. Lists).