diff --git a/Myth:-µBlock-is-just-slightly-less-resource-intensive-than-Adblock-Plus.md b/Myth:-µBlock-is-just-slightly-less-resource-intensive-than-Adblock-Plus.md
index 06e8546..277aa13 100644
--- a/Myth:-µBlock-is-just-slightly-less-resource-intensive-than-Adblock-Plus.md
+++ b/Myth:-µBlock-is-just-slightly-less-resource-intensive-than-Adblock-Plus.md
@@ -8,6 +8,6 @@ Examples of sloppiness:
 
 - Using memory footprint figures **before** the browser's garbage collector kicks in
 - Not taking measures to avoid tainting memory footprint with [Chromium bug 441500](https://code.google.com/p/chromium/issues/detail?id=441500)
-- Using memory footprint figures while option pages for the extension are opened
+- Using memory footprint figures while option pages for one of the extension are opened
 - Disregarding the [contributed memory footprint to web pages](https://github.com/gorhill/uBlock/wiki/Contributed-memory-usage:-benchmarks-over-time)
 - Comparing memory footprint after extensions have run for a significantly different amount of time