Updated runtime files.
diff --git a/runtime/doc/scroll.txt b/runtime/doc/scroll.txt
index b3696d3..943531e 100644
--- a/runtime/doc/scroll.txt
+++ b/runtime/doc/scroll.txt
@@ -1,4 +1,4 @@
-*scroll.txt*    For Vim version 8.0.  Last change: 2006 Aug 27
+*scroll.txt*    For Vim version 8.0.  Last change: 2016 Nov 10
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -108,7 +108,8 @@
 3. Scrolling relative to cursor				*scroll-cursor*
 
 The following commands reposition the edit window (the part of the buffer that
-you see) while keeping the cursor on the same line:
+you see) while keeping the cursor on the same line.  Note that the 'scrolloff'
+option may cause context lines to show above and below the cursor.
 
 							*z<CR>*
 z<CR>			Redraw, line [count] at top of window (default