Update runtime files.
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index c7e5955..1ad044b 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 Apr 11
+*usr_41.txt* For Vim version 8.1. Last change: 2018 Dec 18
VIM USER MANUAL - by Bram Moolenaar
@@ -1059,7 +1059,7 @@
py3eval() evaluate Python expression (|+python3|)
pyeval() evaluate Python expression (|+python|)
pyxeval() evaluate |python_x| expression
- debugbreak() interrupt a program being debugged
+ debugbreak() interrupt a program being debugged
==============================================================================
*41.7* Defining a function