Update bug report template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug Report
-about: Create a report to help us improve
+about: Create a report to help us improve this library.
 title: ''
 labels: ''
 assignees: u01jmg3
@@ -9,6 +9,7 @@ assignees: u01jmg3
 
 > :information_source:
 > - Firstly, check you are using the latest version (`dev-master`) as the problem may already have been fixed.
+> - Secondly, search through our [closed issues](../issues?q=is%3Aissue+is%3Aclosed+) in case your problem has been solved already.
 > - It is **essential** to be provided with the offending iCal causing the parser to behave incorrectly.
 >   - Best to upload the iCal file directly to this issue omitting any personal data
 > - [Create a Minimal, Complete, and Verifiable example](https://stackoverflow.com/help/mcve)
@@ -26,6 +27,6 @@ assignees: u01jmg3
 
 ### Steps to Reproduce:
 
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