diff --git a/README.md b/README.md
index 8cdc53a..51dd923 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,6 @@ To build an apk on a local machine and run it on emulator or connected physical
 3. Choose this repository
 4. Tap on "Run app"
 
+(if you encounter error "Installed Build Tools revision 31.0.0 is corrupted" while building app, please follow 1 answer from https://stackoverflow.com/questions/68387270/android-studio-error-installed-build-tools-revision-31-0-0-is-corrupted, it is an Android Studio Arctic Fox 4.2.2 bug, hopefully will be fixed soon)
+
 or download <a href="https://drive.google.com/file/d/1upLU9gHCZkmKbbGpKFu1rGpWON5abChV/view?usp=sharing">the AYCT app</a> and install it directly on a physical device / emulator.
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