diff --git a/app/components/work_packages/activities_tab/journals/new_component.html.erb b/app/components/work_packages/activities_tab/journals/new_component.html.erb
index 6ad05aa77cf..c4f913cd029 100644
--- a/app/components/work_packages/activities_tab/journals/new_component.html.erb
+++ b/app/components/work_packages/activities_tab/journals/new_component.html.erb
@@ -93,7 +93,7 @@
                       data: { action: "click->#{editor_stimulus_controller}#closeEditor" }
                     )
                   ) do
-                    t("button_cancel")
+                    t("activities.work_packages.activity_tab.label_dismiss_comment")
                   end
                 end
 
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 9f8e0446a38..b32e680ea44 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -52,7 +52,8 @@ en:
         commented: "commented"
         internal_comment: Internal comment
         internal_journal: Internal comments are visible to a limited group of members.
-        unsaved_changes_confirmation_message: You have unsaved changes. Are you sure you want to close the editor?
+        label_dismiss_comment: "Dismiss"
+        unsaved_changes_confirmation_message: "Are you sure you want to dismiss your comment? The text that you have written will be lost."
         internal_comment_confirmation:
           title: "Make this comment public?"
           heading: "Make this comment public?"
diff --git a/spec/features/activities/work_package/activity_tab_comment_editor_spec.rb b/spec/features/activities/work_package/activity_tab_comment_editor_spec.rb
index 8f573f09e93..ac0a6ff475c 100644
--- a/spec/features/activities/work_package/activity_tab_comment_editor_spec.rb
+++ b/spec/features/activities/work_package/activity_tab_comment_editor_spec.rb
@@ -55,7 +55,17 @@ RSpec.describe "Work package activity tab comment editor",
         end
       end
 
-      it "is dismissable via Cancel button" do
+      it "shows a Dismiss button (not Cancel) for new comments" do
+        activity_tab.add_comment(text: "Sample text", save: false)
+        activity_tab.clear_comment
+
+        page.within_test_selector("op-work-package-journal-form") do
+          expect(page).to have_button("Dismiss")
+          expect(page).to have_no_button("Cancel")
+        end
+      end
+
+      it "is dismissable via Dismiss button" do
         expect_editor_to_be_dismissed do
           activity_tab.dismiss_comment_editor_with_cancel_button
         end
@@ -80,12 +90,24 @@ RSpec.describe "Work package activity tab comment editor",
           end
         end
 
-        it "requires confirmation to dismiss via Cancel button" do
+        it "requires confirmation to dismiss via Dismiss button" do
           expect_editor_to_be_dismissed_with_confirmation do
             activity_tab.dismiss_comment_editor_with_cancel_button
           end
         end
 
+        it "shows the updated confirmation message when dismissing a new comment" do
+          activity_tab.add_comment(text: "Sample text", save: false)
+          activity_tab.expect_focus_on_editor
+
+          expected_message = "Are you sure you want to dismiss your comment? The text that you have written will be lost."
+          accept_alert(expected_message) do
+            activity_tab.dismiss_comment_editor_with_cancel_button
+          end
+
+          expect(page).not_to have_test_selector("op-work-package-journal-form-element")
+        end
+
         def expect_editor_to_be_dismissed_with_confirmation(&)
           activity_tab.add_comment(text: "Sample text", save: false)
 
diff --git a/spec/support/components/work_packages/activities.rb b/spec/support/components/work_packages/activities.rb
index 86e5ef48055..7fa56f1117b 100644
--- a/spec/support/components/work_packages/activities.rb
+++ b/spec/support/components/work_packages/activities.rb
@@ -355,7 +355,7 @@ module Components
 
       def dismiss_comment_editor_with_cancel_button
         page.within_test_selector("op-work-package-journal-form") do
-          click_on "Cancel"
+          click_on "Dismiss"
         end
       end