Update runtime files
diff --git a/runtime/doc/indent.txt b/runtime/doc/indent.txt
index efb0a7d..5918300 100644
--- a/runtime/doc/indent.txt
+++ b/runtime/doc/indent.txt
@@ -1,4 +1,4 @@
-*indent.txt*    For Vim version 8.0.  Last change: 2014 Dec 06
+*indent.txt*    For Vim version 8.0.  Last change: 2018 Apr 04
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -414,10 +414,10 @@
 							*cino-(*
 	(N    When in unclosed parentheses, indent N characters from the line
 	      with the unclosed parentheses.  Add a 'shiftwidth' for every
-	      unclosed parentheses.  When N is 0 or the unclosed parentheses
-	      is the first non-white character in its line, line up with the
-	      next non-white character after the unclosed parentheses.
-	      (default 'shiftwidth' * 2).
+	      extra unclosed parentheses.  When N is 0 or the unclosed
+	      parentheses is the first non-white character in its line, line
+	      up with the next non-white character after the unclosed
+	      parentheses.  (default 'shiftwidth' * 2).
 
 		cino=			  cino=(0 >
 		  if (c1 && (c2 ||	    if (c1 && (c2 ||
@@ -428,7 +428,8 @@
 		     {			       {
 <
 							*cino-u*
-	uN    Same as (N, but for one level deeper.  (default 'shiftwidth').
+	uN    Same as (N, but for one nesting level deeper.
+	      (default 'shiftwidth').
 
 		cino=			  cino=u2 >
 		  if (c123456789	    if (c123456789