Apply suggestions from code review by @achilleas-k

Co-Authored-By: Achilleas Koutsou <achilleas.k@gmail.com>

.github/ISSUE_TEMPLATE/config.yml

@@ -2,4 +2,4 @@ blank_issues_enabled: false
 contact_links:
   - name: Gogs Community Forum
     url: https://discuss.gogs.io/
-    about: Please ask and answer questions about Gogs (not g-node's fork) here.
+    about: Please ask and answer questions about Gogs (not the G-Node's fork) here.

.github/ISSUE_TEMPLATE/security.md

@@ -7,6 +7,6 @@ about: Report security vulnerability for this project
 <!--
 
 Please create a dummy issue with high-level description of the security vulnerability,
-then report details to Achilleas Koutsou <achilleas.k@gmail.com> privately, thank you!
+then report details to Achilleas Koutsou <koutsou@bio.lmu.com> privately, thank you!
 
 -->