diff --git a/Quick-guide:-popup-user-interface.md b/Quick-guide:-popup-user-interface.md
index 483dfb3..d7ed2d7 100644
--- a/Quick-guide:-popup-user-interface.md
+++ b/Quick-guide:-popup-user-interface.md
@@ -90,6 +90,8 @@ By default popups are allowed unless there is a filter to block them. When this

No popups for this site: [Try it](http://www.popupcheck.com/advanced-pop-up-test.asp)
+Blocking popups depend on whether the proper filters are present in the selected filter lists, so this feature is most useful for when a site create popups for which there are no filter to take care of them in 3rd-party filter lists.
+
***
##### No strict blocking
@@ -116,4 +118,6 @@ If the user disagree that a web page proper should be blocked (because of a fals
... will prevent web pages proper for the site from being blocked by uBlock in the future: the filtering of the site will be done exactly as per ABP-filtering semantic, and just like with uBlock pre-0.9.3.0.
-There are many benefits to strict blocking. For example, there is no good reason one should want to connect _at all_ to any of the sites present in any one of the malware domain lists. Strict blocking will prevent this from happening.
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+There are many benefits to strict blocking. For example, there is no good reason one should want to connect _at all_ to any of the sites present in any one of the malware domain lists. Strict blocking will prevent this from happening.
+
+I do not expect the need to disable of strict blocking will be common.
\ No newline at end of file