diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1a8f93672f9..35554d02aff 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -229,7 +229,7 @@ a task comment or hints, put them next to the same structure in the file.
 
 ### AdGuard Quick Fixes filter
 
-- Purpose: This filter serves as a quick-response solution, ensuring that AdGuard Mv3 extension
+- Purpose: This filter serves as a quick-response solution, ensuring that AdGuard MV3 extension
   users experience minimal disruption while awaiting updates of the extension with static filters.
 - [Quick Fixes folder](https://github.com/AdguardTeam/AdguardFilters/tree/master/QuickFixesFilter/sections)
-- Notes: Used in Mv3 extension only.
+- Notes: Used in MV3 extension only.
diff --git a/QuickFixesFilter/sections/quickfixes.txt b/QuickFixesFilter/sections/quickfixes.txt
index 20e7ee653f4..2433c83087c 100644
--- a/QuickFixesFilter/sections/quickfixes.txt
+++ b/QuickFixesFilter/sections/quickfixes.txt
@@ -1,9 +1,9 @@
-! *** Only for AdGuard Mv3 extension. ***
+! *** Only for AdGuard MV3 extension. ***
 ! This file contains quick filtering fixes for popular websites that are duplicated in other filters. They are
 ! delivered faster than other filter updates because they don't require the extension to be updated.
-! As static filters in the Mv3 extension are only updated when the extension itself is updated, this can delay
+! As static filters in the MV3 extension are only updated when the extension itself is updated, this can delay
 ! the update process for users, potentially exposing them to unresolved issues. This file serves as a quick-response
-! solution to ensure that users of the AdGuard Mv3 extension experience minimal disruption while waiting for
+! solution to ensure that users of the AdGuard MV3 extension experience minimal disruption while waiting for
 ! the extension to update along with the static filters.
 !
 ! Key points: