Update pull_request_template.md

Author: teon

.github/pull_request_template.md

@@ -1,6 +1,6 @@
 ## 📝 New contributors 
 
-- [ ] I have read, understand, and agree to the Contributor Agreement. By checking this box, I confirm I have the right to contribute this work and I grant Defguard sp. z o.o. the necessary rights to use my contribution as outlined in the full agreement.: (https://tnt.sh/s/defguard-contribution-agreement)[https://tnt.sh/s/defguard-contribution-agreement]
+- [ ] I have read, understand, and agree to the Contributor Agreement. By checking this box, I confirm I have the right to contribute this work and I grant Defguard sp. z o.o. the necessary rights to use my contribution as outlined in the full agreement.: https://tnt.sh/s/defguard-contribution-agreement
 
 ⚠︎ If the checkbox will not be confirmed - we can't include your contribution in our codebase.