Update runtime files
diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index ff74d62..fed81e5 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -1,4 +1,4 @@
-*insert.txt* For Vim version 8.2. Last change: 2020 Mar 25
+*insert.txt* For Vim version 8.2. Last change: 2020 Apr 30
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -666,7 +666,7 @@
ends CTRL-X mode (any key that is not a valid CTRL-X mode command) is mapped.
Also, when doing completion with 'complete' mappings apply as usual.
- *E565*
+ *E578* *E565*
Note: While completion is active Insert mode can't be used recursively and
buffer text cannot be changed. Mappings that somehow invoke ":normal i.."
will generate an E565 error.