diff --git a/.clang-format b/.clang-format
index ae28a6a..35cdf3c 100644
--- a/.clang-format
+++ b/.clang-format
@@ -90,10 +90,12 @@ PenaltyBreakString: 1000
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 60
 PointerAlignment: Right
-RawStringFormats: 
-  - Delimiter:       pb
-    Language:        TextProto
-    BasedOnStyle:    google
+RawStringFormats:
+  - Language: TextProto
+    Delimiters:
+      - 'pb'
+      - 'proto'
+    BasedOnStyle: google
 ReflowComments:  true
 SortIncludes:    true
 SortUsingDeclarations: true