diff --git a/newlib/libc/string/strings.tex b/newlib/libc/string/strings.tex
index 83b7c6af6..2df5faf58 100644
--- a/newlib/libc/string/strings.tex
+++ b/newlib/libc/string/strings.tex
@@ -32,7 +32,7 @@ managing areas of memory.  The corresponding declarations are in
 * strcoll::     Locale-specific character string compare
 * strcpy::      Copy string
 * strcspn::     Count chars not in string
-* strerror::    Convert error number to string
+* strerror::    Convert error number to string (strerror, strerror_l)
 * strerror_r::  Convert error number to string
 * strlen::      Character string length
 * strlwr::	Convert string to lowercase