diff --git a/changes/23215-message-spacing b/changes/23215-message-spacing
new file mode 100644
index 0000000000..3ad12430b2
--- /dev/null
+++ b/changes/23215-message-spacing
@@ -0,0 +1 @@
+* Explicitly set line heights on "add profile" messages so they are consistent cross-browser
\ No newline at end of file
diff --git a/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/_styles.scss b/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/_styles.scss
index 14828cfb9d..30a35b38fb 100644
--- a/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/_styles.scss
+++ b/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/_styles.scss
@@ -102,6 +102,7 @@
 
       &--message {
         text-align: center;
+        line-height: 20px;
       }
     }
 
diff --git a/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/components/ProfileUploader/components/AddProfileModal/_styles.scss b/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/components/ProfileUploader/components/AddProfileModal/_styles.scss
index 087e2a54d1..b56cde6f4c 100644
--- a/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/components/ProfileUploader/components/AddProfileModal/_styles.scss
+++ b/frontend/pages/ManageControlsPage/OSSettings/cards/CustomSettings/components/ProfileUploader/components/AddProfileModal/_styles.scss
@@ -60,6 +60,7 @@
 
     &--message {
       text-align: center;
+      line-height: 20px;
     }
   }