diff --git a/runtime/doc/indent.txt b/runtime/doc/indent.txt
index 57b1be1..7643108 100644
--- a/runtime/doc/indent.txt
+++ b/runtime/doc/indent.txt
@@ -1,4 +1,4 @@
-*indent.txt*    For Vim version 8.1.  Last change: 2019 Jan 31
+*indent.txt*    For Vim version 8.1.  Last change: 2019 Feb 21
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -948,6 +948,11 @@
 indenting isn't correct, you can set a larger timeout in msec: >
 	let g:pyindent_searchpair_timeout = 500
 
+If looking back for unclosed parenthesis is still too slow, especially during
+a copy-paste operation, or if you don't need indenting inside multi-line
+parentheses, you can completely disable this feature: >
+	let g:pyindent_disable_parentheses_indenting = 1
+
 
 R								*ft-r-indent*