diff --git a/doc/funcref.sgml b/doc/funcref.sgml
index 81da3ce80..be6e92ebd 100644
--- a/doc/funcref.sgml
+++ b/doc/funcref.sgml
@@ -4,7 +4,7 @@
 <title>cc65 function reference
 <author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">,<newline>
 <url url="mailto:greg.king5@verizon.net" name="Greg King">
-<date>2018-02-07
+<date>2018-05-23
 
 <abstract>
 cc65 is a C compiler for 6502 based systems. This function reference describes
@@ -2342,8 +2342,8 @@ to get off the serial bus so it can be used for other purposes.
 stop sending data to the host computer (i.e., UNTALK). Calling this
 function results in an UNTALK command being transmitted on the serial
 bus. Only devices previously commanded to TALK are affected. This
-function is normally used after the host computer is finished listening data
-to external devices. Sending the UNTALK commands the sending devices
+function is normally used after the host computer is finished listening to data
+from an external device. Sending the UNTALK commands the sending devices
 to get off the serial bus so it can be used for other purposes.
 <tag/Availability/cc65
 <tag/See also/