Update CONTRIBUTING.md

Author: EkaterinaVu

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 ## Before creating an issue
 
 * Check the [GUIDE](https://www.ditdot.hr/en/docs/vue-flow-form-guide) to see if you can find the solution to your problem by yourself.
-* Check the version of Vue Flow Form you are using - use the last version according to [CHANGELOG](https://github.com/ditdot-dev/vue-flow-form/blob/contributing/CHANGELOG.md).
+* Check the version of Vue Flow Form you are using - use the last version according to [CHANGELOG](https://github.com/ditdot-dev/vue-flow-form/releases).
 * Perform the [Issues](https://github.com/ditdot-dev/vue-flow-form/issues) search to see if the problem has already been reported.
 * If the issue has been reported and is still open, add a comment to it instead of opening a new issue.
 * If the issue has been reported and is closed, open a new issue with a link to the closed issue.
@@ -17,13 +17,13 @@
 
 ## Suggesting an enhancement
 
-* Use a descriptive title and describe the feature request/change in details
-* Explain why this enhancement would be useful
+* Use a descriptive title and describe the feature request/change in details.
+* Explain why this enhancement would be useful.
 
 ## Creating a pull request
 
 * Make your changes on a feature branch. Follow the code style of the project, including indentation.
-* Create a new PR with the code changes
-* The PR description should clearly describe the problem and solution, with a reference to the appropriate issue if applicable
+* Create a new PR with the code changes.
+* The PR description should clearly describe the problem and solution, with a reference to the appropriate issue if applicable.