Update runtime files
diff --git a/runtime/doc/textprop.txt b/runtime/doc/textprop.txt
index b683187..c24e47a 100644
--- a/runtime/doc/textprop.txt
+++ b/runtime/doc/textprop.txt
@@ -1,10 +1,10 @@
-*textprop.txt* For Vim version 8.1. Last change: 2019 May 05
+*textprop.txt* For Vim version 8.1. Last change: 2019 May 06
VIM REFERENCE MANUAL by Bram Moolenaar
-Displaying text with properties attached. *text-properties*
+Displaying text with properties attached. *textprop* *text-properties*
THIS IS UNDER DEVELOPMENT - ANYTHING MAY STILL CHANGE *E967*
@@ -132,10 +132,10 @@
positions, even though the characters themselves change.
-When text property columns are not updated ~
+Text property columns are not updated: ~
- When setting the line with |setline()| or through an interface, such as Lua,
- Tcl or Python.
+ Tcl or Python. Vim does not know what text got inserted or deleted.
vim:tw=78:ts=8:noet:ft=help:norl: