diff --git a/libc/utils/UnitTest/LibcTest.h b/libc/utils/UnitTest/LibcTest.h
--- a/libc/utils/UnitTest/LibcTest.h
+++ b/libc/utils/UnitTest/LibcTest.h
@@ -221,9 +221,9 @@
   }
 
 #define TYPED_TEST(SuiteName, TestName, TypeList)                              \
-  static_assert(__llvm_libc::testing::internal::valid_prefix(#SuiteName),      \
-                "All LLVM-libc TYPED_TEST suite class names must start with "  \
-                "'LlvmLibc'.");                                                \
+  static_assert(                                                               \
+      __llvm_libc::testing::internal::valid_prefix(#SuiteName),                \
+      "All LLVM-libc TYPED_TEST suite names must start with 'LlvmLibc'.");     \
   template <typename T>                                                        \
   class SuiteName##_##TestName : public __llvm_libc::testing::Test {           \
   public:                                                                      \