docs: changes: Add The C programming language website

A handy entry-point for C and related tooling.

Replace the link to the C17 draft as the standards and drafts are
(currently) linked from the front page.

Change-Id: I7747f44491e9bec974ee0f7a07fb9dfa438757e1
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/docs/checklists/changes.md b/docs/checklists/changes.md
index 9fa6988..2f06852 100644
--- a/docs/checklists/changes.md
+++ b/docs/checklists/changes.md
@@ -48,10 +48,9 @@
 
 ## References
 
-- [C17 draft standard][c17-draft-standard]
+- [The C programming language - C Standards Committee][c-language]
 
-[c17-draft-standard]:
-  https://web.archive.org/web/20181230041359if_/http://www.open-std.org/jtc1/sc22/wg14/www/abq/c17_updated_proposed_fdis.pdf
+[c-language]: https://www.c-language.org/
 
 - [SEI CERT C Coding Standard][sei-cert-c-coding-standard]