Update .gitlab/issue_templates/fix.md

.gitlab/issue_templates/fix.md

 # Publication fix request 
 
 - Identify faulty publication
-   - < Title of Publication >
-   - < Name of Conference/Journal/Book/etc >
-   - < First author name >
-   - < Year of publication >
-   - < URL to current publication entry >
+   - Title of Publication: < Title >
+   - Name of Conference/Journal/Book/etc: < Name >
+   - First author name: < Firstname(s) Lastname >
+   - Year of publication: < Year >
+   - URL to current publication entry: < repositum/old publication database URL >
 
 - Errors and Fixes
-   - < Description error 1 >
-      - < How to fix>
-   - < Description error 2 >
-      - < How to fix>
-   - < Description error n >
-      - < How to fix>
+   - Error: < Description error 1 >
+      - Fix: < How to fix>
+   - Error: < Description error 2 >
+      - Fix: < How to fix>
+   - Error: < Description error n >
+      - Fix: < How to fix>