diff --git a/Google/HostsGoogle b/Google/HostsGoogle
index 08c4a2d..1015dcc 100644
--- a/Google/HostsGoogle
+++ b/Google/HostsGoogle
@@ -186,19 +186,19 @@
 0.0.0.0 firefox.settings.services.mozilla.com
 ## Apps related
 0.0.0.0 android.bugly.qq.com
-0.0.0.0 app-measurement.com
-0.0.0.0 app.adaway.org
+0.0.0.0 app-measurement.com # Most common Google tracker
+0.0.0.0 app.adaway.org # Adaway autoupdate; not necessary
 0.0.0.0 bugly.qq.com
 0.0.0.0 bugsnag.com
 0.0.0.0 crashlytics.com
 0.0.0.0 firebase-settings.crashlytics.com
-0.0.0.0 piwik.darken.eu
-0.0.0.0 privatestats.whatsapp.net
+0.0.0.0 piwik.darken.eu # SD Maid
+0.0.0.0 privatestats.whatsapp.net # Most important WhatsApp trackers
 0.0.0.0 reports.crashlytics.com
 0.0.0.0 sessions.bugsnag.com
 0.0.0.0 settings.crashlytics.com
 0.0.0.0 stats.lineageos.org
-0.0.0.0 whitepages.com
+0.0.0.0 whitepages.com # Replicant bug, now fixed
 ## Doubleclick.net
 0.0.0.0 3243857.fls.doubleclick.net
 0.0.0.0 accounts.doubleclick.net