diff --git a/proprietary-files.txt b/proprietary-files.txt
index 2393217..81e20d7 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -4,7 +4,7 @@
 product/lib/com.qualcomm.qti.ant@1.0.so
 product/lib64/com.qualcomm.qti.ant@1.0.so
 
-# Bluetooth (aptX)
+# Bluetooth (aptX) - from crosshatch - QP1A.190711.020
 product/lib64/libaptX_encoder.so|df1c89d7af1bb35808d5fe3496b04ba066c10cbc
 product/lib64/libaptXHD_encoder.so|e13fa70c97caaa24d061678bdee608eb8850a69e