diff --git a/package.json b/package.json
index 7300c3c33..2987e56ec 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "CATcher",
-  "version": "3.4.3",
+  "version": "3.4.4",
   "main": "main.js",
   "scripts": {
     "postinstall": "npm run postinstall:electron && electron-builder install-app-deps",
diff --git a/src/app/core/models/templates/tester-response-template.model.ts b/src/app/core/models/templates/tester-response-template.model.ts
index 1ce548cb3..4d5db7dce 100644
--- a/src/app/core/models/templates/tester-response-template.model.ts
+++ b/src/app/core/models/templates/tester-response-template.model.ts
@@ -5,7 +5,7 @@ import { buildTeamResponseSectionParser } from './section-parsers/common-parsers
 import { TesterResponseSectionParser } from './section-parsers/tester-response-section-parser.model';
 import { Template } from './template.model';
 
-const { coroutine, many1, str, whitespace } = require('arcsecond');
+const { coroutine, many1, str, optionalWhitespace, possibly, whitespace } = require('arcsecond');
 
 interface TesterResponseParseResult {
   teamResponse: string;
@@ -15,12 +15,17 @@ interface TesterResponseParseResult {
   teamChosenType: string;
 }
 
+const GITHUB_UI_EDIT_WARNING =
+  '[IMPORTANT!: Please do not edit or reply to this comment using the GitHub UI. You can respond to it using CATcher during the next phase of the PE]';
 const TESTER_RESPONSES_HEADER = '# Items for the Tester to Verify';
 const DISAGREE_CHECKBOX_DESCRIPTION = 'I disagree';
 
 const TeamResponseSectionParser = buildTeamResponseSectionParser(TESTER_RESPONSES_HEADER);
 
 export const TesterResponseParser = coroutine(function* () {
+  yield possibly(str(GITHUB_UI_EDIT_WARNING));
+  yield optionalWhitespace;
+
   const teamResponse = yield TeamResponseSectionParser;
 
   // parse tester responses from comment
diff --git a/tests/constants/githubcomment.constants.ts b/tests/constants/githubcomment.constants.ts
index 5907597fc..19c1fcb54 100644
--- a/tests/constants/githubcomment.constants.ts
+++ b/tests/constants/githubcomment.constants.ts
@@ -18,6 +18,7 @@ export const EMPTY_TEAM_RESPONSE: GithubComment = {
 // Type and severity disagreeement
 export const TEAM_RESPONSE_MULTIPLE_DISAGREEMENT = {
   body:
+    '[IMPORTANT!: Please do not edit or reply to this comment using the GitHub UI. You can respond to it using CATcher during the next phase of the PE]\n\n' +
     "# Team's Response\n" +
     'This is a dummy team response comment: ' +
     'Thanks for the feedback\n\n' +