diff --git a/data/core.yaml b/data/core.yaml
index bd64aeae5..ce577ec75 100644
--- a/data/core.yaml
+++ b/data/core.yaml
@@ -1429,8 +1429,8 @@ en:
       title: Invalid Formatting
       tip: Find tags with unexpected formats
       email:
-        message: '{feature} has an invalid email address.'
-        message_multi: '{feature} has multiple invalid email addresses.'
+        message: '{feature} has an invalid email address'
+        message_multi: '{feature} has multiple invalid email addresses'
         reference: 'Email addresses must look like "user@example.com".'
       website:
         message: '{feature} has an invalid website.'
diff --git a/dist/locales/en.json b/dist/locales/en.json
index 0f1e4e8e5..467460c91 100644
--- a/dist/locales/en.json
+++ b/dist/locales/en.json
@@ -1767,8 +1767,8 @@
                 "title": "Invalid Formatting",
                 "tip": "Find tags with unexpected formats",
                 "email": {
-                    "message": "{feature} has an invalid email address.",
-                    "message_multi": "{feature} has multiple invalid email addresses.",
+                    "message": "{feature} has an invalid email address",
+                    "message_multi": "{feature} has multiple invalid email addresses",
                     "reference": "Email addresses must look like \"user@example.com\"."
                 },
                 "website": {