Update runtime files.
diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index 2c6900e..2c4e2d0 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -1,4 +1,4 @@
-*insert.txt* For Vim version 8.0. Last change: 2017 Apr 07
+*insert.txt* For Vim version 8.0. Last change: 2017 May 30
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -634,13 +634,13 @@
10. User defined completion |i_CTRL-X_CTRL-U|
11. omni completion |i_CTRL-X_CTRL-O|
12. Spelling suggestions |i_CTRL-X_s|
-13. keywords in 'complete' |i_CTRL-N|
+13. keywords in 'complete' |i_CTRL-N| |i_CTRL-P|
-All these (except 2) are done in CTRL-X mode. This is a sub-mode of Insert
-and Replace modes. You enter CTRL-X mode by typing CTRL-X and one of the
-CTRL-X commands. You exit CTRL-X mode by typing a key that is not a valid
-CTRL-X mode command. Valid keys are the CTRL-X command itself, CTRL-N (next),
-and CTRL-P (previous).
+All these, except CTRL-N and CTRL-P, are done in CTRL-X mode. This is a
+sub-mode of Insert and Replace modes. You enter CTRL-X mode by typing CTRL-X
+and one of the CTRL-X commands. You exit CTRL-X mode by typing a key that is
+not a valid CTRL-X mode command. Valid keys are the CTRL-X command itself,
+CTRL-N (next), and CTRL-P (previous).
Also see the 'infercase' option if you want to adjust the case of the match.