[Site settings] Update intrusive ads strings

The old Skia Gold Pixeltest images will be invalidated in a follow-up CL.

Screenshots: crbug.com/1378703#c290, crbug.com/1378703#c292
Bug: 1378703
Change-Id: Iacf9c40721e04932eaf3eed9dee3cac2d28570ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4150491
Commit-Queue: Olesia Marukhno <olesiamarukhno@google.com>
Auto-Submit: Rainhard Findling <rainhard@chromium.org>
Reviewed-by: Olesia Marukhno <olesiamarukhno@google.com>
Cr-Commit-Position: refs/heads/main@{#1091326}

diff --git a/components/site_settings_strings.grdp b/components/site_settings_strings.grdp
index 0b7322e..d2dd165 100644
--- a/components/site_settings_strings.grdp
+++ b/components/site_settings_strings.grdp

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
   <!-- Site Settings common -->
-  <message name="IDS_SITE_SETTINGS_TYPE_ADS" desc="The label used for the ads site settings controls.">
-    Ads
+  <message name="IDS_SITE_SETTINGS_TYPE_ADS" desc="This string is the name of the intrusive ads setting (visit chrome://settings/content and click 'Additional content settings').">
+    Intrusive ads
   </message>
-  <message name="IDS_SITE_SETTINGS_TYPE_ADS_MID_SENTENCE" desc="The label used for the ads site settings controls when used mid-sentence.">
-    ads
+  <message name="IDS_SITE_SETTINGS_TYPE_ADS_MID_SENTENCE" desc="This string is the name of the intrusive ads setting (visit chrome://settings/content and click 'Additional content settings') when used mid-sentence.">
+    intrusive ads
   </message>
   <message name="IDS_SITE_SETTINGS_TYPE_AR" desc="The label used for the AR site settings controls.">
     Augmented reality