toupperw: add note about freeing return value

diff --git a/man/toupperw.3.scd b/man/toupperw.3.scd
index 28090da8e67e24418fd4a17ca1d30222c1171484..55fd5a87b984ac1a4beebdd0e86f080026e8b621 100644 (file)
--- a/man/toupperw.3.scd
+++ b/man/toupperw.3.scd
@@ -16,7 +16,8 @@ Like ctype.h's toupper() and tolower(), except that it can take full strings
 instead of just single characters.
 
 # RETURN VALUE
-A pointer to the converted string.
+A pointer to the converted string. This string is allocated with calloc(3), so
+be sure to free(3) it!
 
 # SEE ALSO
 toupper(3), tolower(3)