diff --git a/goldlib/gall/gstrall.h b/goldlib/gall/gstrall.h
index 68b918c..1675e38 100644
--- a/goldlib/gall/gstrall.h
+++ b/goldlib/gall/gstrall.h
@@ -92,6 +92,8 @@ char* StripQuotes(char* str);
 
 // Safe versions of strcpy, strcat, sequencial strcat...
 TCHAR *strxcpy(TCHAR *d, const TCHAR *s, size_t n);
+// strxcpy: copy not more n-1 bytes of "s" into "d", insert '\0' into end of string.
+//          return d
 char* strxcat(char *dest, const char *src, size_t max);
 char* strxmerge(char *dest, size_t max, ...);
 
diff --git a/goldlib/gall/gstrutil.cpp b/goldlib/gall/gstrutil.cpp
index ad7abe2..c9bb1c0 100644
--- a/goldlib/gall/gstrutil.cpp
+++ b/goldlib/gall/gstrutil.cpp
@@ -612,7 +612,8 @@ const char* strrword(const char* str, const char *separator) {
 
 
 //  ------------------------------------------------------------------
-
+//  copy not more n-1 bytes of "s" into "d", insert '\0' into end of string.
+//  return d
 TCHAR *strxcpy(TCHAR *d, const TCHAR *s, size_t n)
 {
 #if defined(_tcsncpy_s)