diff --git a/skeletons/NativeReal.h b/skeletons/NativeReal.h
index a2d5ddc..c3e9e2d 100644
--- a/skeletons/NativeReal.h
+++ b/skeletons/NativeReal.h
@@ -18,7 +18,7 @@
 #endif
 
 typedef struct asn_NativeReal_specifics_s {
-    unsigned float_size; /* 4 for 'float', 8 for 'double'. */
+    unsigned float_size; /* sizeof(float) or sizeof(double) */
 } asn_NativeReal_specifics_t;
 
 extern asn_TYPE_descriptor_t asn_DEF_NativeReal;