diff --git a/include/verilatedos.h b/include/verilatedos.h
index d720fdc32..69ac918e4 100644
--- a/include/verilatedos.h
+++ b/include/verilatedos.h
@@ -461,7 +461,7 @@ using ssize_t = uint32_t;  ///< signed size_t; returned from read()
 #define VL_VFORMATATTR_SIGNED '~'  // (int widthMin, IData/VlWide/etc) Signed number; for %d showing sign
 #define VL_VFORMATATTR_COMPLEX '!'  // (std::string*); for non-POD; e.g. struct, requires %p typically
 #define VL_VFORMATATTR_DOUBLE 'D'  // (double); promote %p to %f
-#define VL_VFORMATATTR_ENUM 'E'  // (width, IData/QData, std::string* name); <= 64 bit enum with runtime %p/%s
+#define VL_VFORMATATTR_ENUM 'E'  // (width, IData/QData/const EData*, STRING, std::string* name)
 #define VL_VFORMATATTR_ENUM_SIGNED 'F'  // Same arguments as ENUM, with a signed numeric value
 #define VL_VFORMATATTR_SCOPE 'M'  // (char* name, char* scope); for scopes
 #define VL_VFORMATATTR_STRING 'S'  // (char* name, char* scope); for scopes  // (std::string*); for %p/%s