diff --git a/ADBLOCKING.md b/ADBLOCKING.md
index d564d569..d415d51e 100644
--- a/ADBLOCKING.md
+++ b/ADBLOCKING.md
@@ -2,13 +2,16 @@ Ad blocking
 -----------
 
 * Download/install the latest version [from GitHub](https://github.com/M66B/NetGuard/releases)
-* Enable the setting '*Filter traffic*'
-* Enable the setting '*Block domain names*'
+* Enable the setting '*Filter traffic*' (always enabled on Android 5.0 or earlier)
+* Enable the setting '*Block domain names*' (default enabled)
 * Import or download a hosts file using the appropriate option
+* Disable browser compression (Chrome: three dot menu > Settings > Data Saver > Off)
 * Wait 10 minutes to let the Android DNS cache time out
+* Test if it works by opening [this page](http://www.netguard.me/test)
 * Enjoy ad blocking
 
-You can check the number of hosts (domains) imported by pulling the NetGuard notification down using two fingers.
+
+Which hosts (domains) will be blocked depends on the hosts file being used.
 
 NetGuard provides the [StevenBlack hosts file](https://github.com/StevenBlack/hosts) download with the following additions:
 
@@ -18,4 +21,8 @@ NetGuard provides the [StevenBlack hosts file](https://github.com/StevenBlack/ho
 
 See [here](https://github.com/M66B/NetGuard/issues/277) for alternative hosts files.
 
+NetGuard does not concatenate hosts files, so you will have to use a source which does this for you or do it yourself.
+
+You can check the number of hosts (domains) imported by pulling the NetGuard notification down using two fingers.
+
 **Note that ad blocking is not available when NetGuard was installed from the Play store!**