Fix the title of a link to a pelib PR in CHANGELOG.

The link is to a different repository, so it is better to include its name in
the link title to make the link more accurate.

CHANGELOG.md

@@ -27,7 +27,7 @@
 * Fix: Fixed build on Microsoft Windows via MSYS2 ([#606](https://github.com/avast/retdec/pulls/606)).
 * Fix: Fixed build on macOS Mojave by updating OpenSSL and using `xcrun` ([#439](https://github.com/avast/retdec/issues/439)).
 * Fix: Fixed computation of the _"RVA of the import name is invalid"_ loader error ([avast/pelib#11](https://github.com/avast/pelib/pull/11)).
-* Fix: Export ordinals are now correctly calculated as relative to the base ([#612](https://github.com/avast/retdec/issues/612), [#10](https://github.com/avast/pelib/pull/10)).
+* Fix: Export ordinals are now correctly calculated as relative to the base ([#612](https://github.com/avast/retdec/issues/612), [avast/pelib#10](https://github.com/avast/pelib/pull/10)).
 
 # v3.3 (2019-03-18)