diff --git a/platform/mv3/README.md b/platform/mv3/README.md
index 2400bfe71..28f0bdab2 100644
--- a/platform/mv3/README.md
+++ b/platform/mv3/README.md
@@ -15,7 +15,7 @@ Upon completion of the script, the resulting extension package will become prese
 - Chromium: `dist/build/uBOLite.chromium`
 -  Firefox: `dist/build/uBOLite.firefox`
 
-The folder `dist/build/mv3-data` will cache data fetched from remote server, so as to avoid fetching repeatedly from remote server with repeated build commands. Remove `dist/build/mv3-data` if you want to build with latest versions of filter lists.
+The folder `dist/build/mv3-data` will cache data fetched from remote servers, so as to avoid fetching repeatedly from remote servers with repeated build commands. Use `make cleanassets` to remove all locally cached filter lists if you want to build with latest versions of filter lists.
 
 The file `dist/build/mv3-data/log.txt` will contain information about what happened during the build process.