1 files changed, 2 insertions, 0 deletions
diff --git a/zconfig.h b/zconfig.h
index d98f428..27f91f8 100644
--- a/zconfig.h
+++ b/zconfig.h
@@ -31,6 +31,8 @@
 
 /*
  * Boost ring voltage (Higher ring voltage, takes more power)
+ * Note: this only affects the wcfxsusb and wcusb drivers; all other
+ *       drivers have a 'boostringer' module parameter.
  */
 /* #define BOOST_RINGER */