clarify the BOOST_RINGER compile-time option

git-svn-id: http://svn.digium.com/svn/zaptel/branches/1.2@1660 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 2 insertions, 0 deletions

diff --git a/zconfig.h b/zconfig.h
index 0df48fc..27bc4d4 100644
--- a/zconfig.h
+++ b/zconfig.h
@@ -23,6 +23,8 @@
 
 /*
  * 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 */