Document the BMI2 default() functions
diff --git a/lib/common/entropy_common.c b/lib/common/entropy_common.c
index e2ec694..0d27265 100644
--- a/lib/common/entropy_common.c
+++ b/lib/common/entropy_common.c
@@ -203,6 +203,7 @@
     return ip-istart;
 }
 
+/* Avoids the FORCE_INLINE of the _body() function. */
 static size_t FSE_readNCount_body_default(
         short* normalizedCounter, unsigned* maxSVPtr, unsigned* tableLogPtr,
         const void* headerBuffer, size_t hbSize)
@@ -319,6 +320,7 @@
     return iSize+1;
 }
 
+/* Avoids the FORCE_INLINE of the _body() function. */
 static size_t HUF_readStats_body_default(BYTE* huffWeight, size_t hwSize, U32* rankStats,
                      U32* nbSymbolsPtr, U32* tableLogPtr,
                      const void* src, size_t srcSize,