diff --git a/include/telephony/ril.h b/include/telephony/ril.h
index fa6a908..76db7ba 100644
--- a/include/telephony/ril.h
+++ b/include/telephony/ril.h
@@ -1364,8 +1364,9 @@
  * ((const char **)response)[5] The maximum number of simultaneous Data Calls that can be
  *                              established using RIL_REQUEST_SETUP_DATA_CALL.
  *
- * The values at offsets 6..10 are optional LTE location information. If a value
- * is unknown that value is NULL. If all values are NULL, none need to be present.
+ * The values at offsets 6..10 are optional LTE location information in decimal.
+ * If a value is unknown that value may be NULL. If all values are NULL,
+ * none need to be present.
  *  ((const char **)response)[6] is TAC, a 16-bit Tracking Area Code.
  *  ((const char **)response)[7] is CID, a 0-503 Physical Cell Identifier.
  *  ((const char **)response)[8] is ECI, a 28-bit E-UTRAN Cell Identifier.