Fix links in CONTRIBUTING.md

Author: asobczyk

CONTRIBUTING.md

@@ -3,8 +3,8 @@ This project was developed as part of the experimental evaluation of the algorit
 described in the respective publication. ***There is no plan for further development***. Nevertheless, if you would like to address an issue, please first
 contact the maintainers via e-mail. For a list of the maintainers, see the [MAINTAINERS.md](MAINTAINERS.md) page.
 
-Contributions, if any, will be handled by first creating **FIXME** [an issue](https://github.com/ibm/repo-template/issues),
-and then opening a respective **FIXME** [pull request](https://github.com/ibm/repo-template/pulls).
+Contributions, if any, will be handled by first creating [an issue](https://github.com/IBM/pylspack/issues),
+and then opening a respective [pull request](https://github.com/IBM/pylspack/pulls).
 
 **Note: We appreciate your effort, and want to avoid a situation where a contribution
 requires extensive rework (by you or by us), sits in backlog for a long time, or
@@ -70,4 +70,4 @@ Make sure that in the last commit you have executed the following commands such
 yapf -i --style "{based_on_style: pep8, blank_line_before_nested_class_or_def: true, indent_dictionary_value: true, dedent_closing_brackets: true, column_limit: 99}" --recursive .
 find . | grep "\.h" | xargs astyle --suffix=none --max-code-length=120 --indent=spaces=2 --pad-oper --convert-tabs --unpad-paren --delete-empty-lines
 find . | grep "\.h" | xargs astyle --suffix=none --max-code-length=120 --indent=spaces=2 --add-braces --convert-tabs --align-pointer=name --style=google --indent-classes --pad-oper --pad-paren-in --pad-header --break-blocks --break-after-logical 
-```
+```