Update issue templates

Author: nodeful

.github/ISSUE_TEMPLATE/bug-report.md

@@ -15,13 +15,13 @@ Please go through [existing issues](https://github.com/bitgapp/eqMac/issues?q=is
 A clear and concise description of what the bug is.
 
 **Steps to Reproduce**
-Steps to reproduce the behavior (feel free to change the placeholder as you need):
+Steps to reproduce the behaviour (feel free to change the placeholder as you need):
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'
 4. See error
 
-**Expected behavior**
+**Expected behaviour**
 A clear and concise description of what you expected to happen.
 
 **Setup information:**