diff --git a/man3/wmemcpy.3 b/man3/wmemcpy.3
index 692754d71..343af42a9 100644
--- a/man3/wmemcpy.3
+++ b/man3/wmemcpy.3
@@ -20,7 +20,9 @@ wmemcpy \- copy an array of wide-characters
 .nf
 .B #include <wchar.h>
 .PP
-.BI "wchar_t *wmemcpy(wchar_t *" dest ", const wchar_t *" src ", size_t " n );
+.BI "wchar_t *wmemcpy(wchar_t *restrict " dest \
+", const wchar_t *restrict " src ,
+.BI "                 size_t " n );
 .fi
 .SH DESCRIPTION
 The