diff --git a/php/ext/google/protobuf/php-upb.h b/php/ext/google/protobuf/php-upb.h
index 97cf339ed709..b8bd2044d90b 100644
--- a/php/ext/google/protobuf/php-upb.h
+++ b/php/ext/google/protobuf/php-upb.h
@@ -643,14 +643,14 @@ UPB_INLINE void upb_gfree(void* ptr) { upb_free(&upb_alloc_global, ptr); }
 // the full struct is not visible outside of arena.c. Yes, I know, it's awful.
 #define UPB_ARENA_SIZE_HACK 7
 
-// LINT.IfChange(upb_Array)
+// LINT.IfChange(upb_Arena)
 
 struct upb_Arena {
   char* UPB_ONLYBITS(ptr);
   char* UPB_ONLYBITS(end);
 };
 
-// LINT.ThenChange(//depot/google3/third_party/upb/bits/typescript/arena.ts:upb_Array)
+// LINT.ThenChange(//depot/google3/third_party/upb/bits/typescript/arena.ts:upb_Arena)
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index add6f095fc7a..6f8c22bb881f 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -645,14 +645,14 @@ UPB_INLINE void upb_gfree(void* ptr) { upb_free(&upb_alloc_global, ptr); }
 // the full struct is not visible outside of arena.c. Yes, I know, it's awful.
 #define UPB_ARENA_SIZE_HACK 7
 
-// LINT.IfChange(upb_Array)
+// LINT.IfChange(upb_Arena)
 
 struct upb_Arena {
   char* UPB_ONLYBITS(ptr);
   char* UPB_ONLYBITS(end);
 };
 
-// LINT.ThenChange(//depot/google3/third_party/upb/bits/typescript/arena.ts:upb_Array)
+// LINT.ThenChange(//depot/google3/third_party/upb/bits/typescript/arena.ts:upb_Arena)
 
 #ifdef __cplusplus
 extern "C" {