diff --git a/src/halfvec.h b/src/halfvec.h
index fd9470d..35f4dd3 100644
--- a/src/halfvec.h
+++ b/src/halfvec.h
@@ -23,7 +23,7 @@
 #define USE_TARGET_CLONES
 #endif
 
-/* Needed for cross-compiling / universal binaries on Mac */
+/* Apple clang check needed for cross-compiling / universal binaries on Mac */
 #if defined(USE_DISPATCH) && (defined(HAVE__GET_CPUID) || defined(__apple_build_version__))
 #define USE__GET_CPUID
 #endif