Update runtime files.
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index c7bfffd..dd0583b 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -1,4 +1,4 @@
-*usr_41.txt* For Vim version 8.1. Last change: 2018 Dec 18
+*usr_41.txt* For Vim version 8.1. Last change: 2019 Jan 12
VIM USER MANUAL - by Bram Moolenaar
@@ -958,6 +958,7 @@
ch_close() close a channel
ch_close_in() close the in part of a channel
ch_read() read a message from a channel
+ ch_readblob() read a Blob from a channel
ch_readraw() read a raw message from a channel
ch_sendexpr() send a JSON message over a channel
ch_sendraw() send a raw message over a channel