diff --git a/frontend/scripts/makefile/mobile.toml b/frontend/scripts/makefile/mobile.toml
index 861c786d7e..6f89c1235e 100644
--- a/frontend/scripts/makefile/mobile.toml
+++ b/frontend/scripts/makefile/mobile.toml
@@ -29,6 +29,11 @@ script = [
     
     # Set environment variables for iOS simulator builds to fix bindgen issues
     # This prevents the "stdbool.h file not found" error when building for iOS simulator
+    # Fix the issue:
+    # error: version 'sim' in target triple 'arm64-apple-ios-sim' is invalid
+    # rocksdb/include/rocksdb/c.h:65:10: fatal error: 'stdbool.h' file not found
+    #
+
     if [[ "${RUST_COMPILE_TARGET}" == *"ios-sim"* ]]; then
       echo "🔧 Setting up environment for iOS Simulator build..."
       export SDKROOT="$(xcrun --sdk iphonesimulator --show-sdk-path)"