Fix broken link in issue template.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -14,7 +14,7 @@ In order to reproduce your issue, we might need to know a little bit more about
 which you're running `bat` on.
 
 If you're on Linux or MacOS:
-  Please run the script at https://github.com/sharkdp/bat/blob/diag-tools/diagnostics/info.sh and
+  Please run the script at https://github.com/sharkdp/bat/blob/master/diagnostics/info.sh and
   paste the output at the bottom of the bug report.
 
 If you're on Windows:

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,6 +1,6 @@
 ---
-name: Feature request
-about: Suggest an idea for this project
+name: Feature Request
+about: Suggest an idea for this project.
 title: ''
 labels: feature-request
 assignees: ''

.github/ISSUE_TEMPLATE/question.md

@@ -1,6 +1,6 @@
 ---
 name: Question
-about: Ask a question about 'bat'
+about: Ask a question about 'bat'.
 title: ''
 labels: question
 assignees: ''