diff --git a/tools/metrics/actions/actions.xml b/tools/metrics/actions/actions.xml
index 65a7d67..103aa98 100644
--- a/tools/metrics/actions/actions.xml
+++ b/tools/metrics/actions/actions.xml
@@ -28318,6 +28318,9 @@
       label="For video tutorial summary card."/>
   <suffix name="VideoTutorial_NTP_VoiceSearch"
       label="For voice search video tutorial."/>
+  <suffix name="WebFeedFollow" label="For Web Feed follow recommendations."/>
+  <suffix name="WebFeedPostFollowDialog"
+      label="For Web Feed successful follow operations."/>
   <suffix name="WebUITabStrip" label="For the WebUI tab strip."/>
   <affected-action name="InProductHelp.NotifyEvent.IPH"/>
   <affected-action name="InProductHelp.NotifyUsedEvent.IPH"/>
diff --git a/tools/metrics/histograms/histograms_xml/histogram_suffixes_list.xml b/tools/metrics/histograms/histograms_xml/histogram_suffixes_list.xml
index 601939c4..1ae0a33 100644
--- a/tools/metrics/histograms/histograms_xml/histogram_suffixes_list.xml
+++ b/tools/metrics/histograms/histograms_xml/histogram_suffixes_list.xml
@@ -8276,6 +8276,10 @@
       label="Video tutorial summary card on NTP."/>
   <suffix name="IPH_VideoTutorial_NTP_VoiceSearch"
       label="Video tutorial card on NTP about voice search in chrome."/>
+  <suffix name="IPH_WebFeedFollow"
+      label="In product help for proactive Web Feed follow recommendations."/>
+  <suffix name="IPH_WebFeedPostFollowDialog"
+      label="In product help for Web Feed successful follow operations."/>
   <suffix name="IPH_WebUITabStrip"
       label="In product help for opening the WebUI tab strip."/>
   <affected-histogram name="InProductHelp.NotifyEventReadyState"/>