Improve issue template

Fix link to bug-reports page. Also, hint at how to get the flutter
version.

ISSUE_TEMPLATE.md

diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md
index 4748e1f..7c0f32a 100644
--- a/ISSUE_TEMPLATE.md
+++ b/ISSUE_TEMPLATE.md
@@ -1,11 +1,11 @@
 
-_Detailed issue description here. More information at [https://flutter.io/bug_reports/](https://flutter.io/bug_reports/)_
+_Detailed issue description here. More information at [https://flutter.io/bug-reports/](https://flutter.io/bug-reports/)_
 
 ### Steps to Reproduce
 * _Add steps here. Provide verbose variants of `flutter` commands if necessary._
 
 ### Flutter Version
-_Add flutter version here_
+_Add `flutter --version` here_
 
 ### Logs
 _Paste relevant logs here_