updated for version 7.0171
diff --git a/runtime/doc/scroll.txt b/runtime/doc/scroll.txt
index 1aa1b93..847c83f 100644
--- a/runtime/doc/scroll.txt
+++ b/runtime/doc/scroll.txt
@@ -1,4 +1,4 @@
-*scroll.txt* For Vim version 7.0aa. Last change: 2005 Apr 01
+*scroll.txt* For Vim version 7.0aa. Last change: 2005 Dec 16
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -153,31 +153,39 @@
not used.
z<Right> or *zl* *z<Right>*
-zl Scroll the screen [count] characters to the left.
- This only works when 'wrap' is off. {not in Vi}
+zl Move the view on the text [count] characters to the
+ right, thus scroll the text [count] characters to the
+ left. This only works when 'wrap' is off. {not in
+ Vi}
z<Left> or *zh* *z<Left>*
-zh Scroll the screen [count] characters to the right.
- This only works when 'wrap' is off. {not in Vi}
+zh Move the view on the text [count] characters to the
+ left, thus scroll the text [count] characters to the
+ right. This only works when 'wrap' is off. {not in
+ Vi}
*zL*
-zL Scroll the screen half a screenwidth to the left.
- This only works when 'wrap' is off. {not in Vi}
+zL Move the view on the text half a screenwidth to the
+ right, thus scroll the text half a screenwidth to the
+ left. This only works when 'wrap' is off. {not in
+ Vi}
*zH*
-zH Scroll the screen half a screenwidth to the right.
- This only works when 'wrap' is off. {not in Vi}
+zH Move the view on the text half a screenwidth to the
+ left, thus scroll the text half a screenwidth to the
+ right. This only works when 'wrap' is off. {not in
+ Vi}
For the following two commands the cursor is not moved in the text, only the
text scrolls on the screen.
*zs*
-zs Scroll the screen horizontally to position the cursor
+zs Scroll the text horizontally to position the cursor
at the start (left side) of the screen. This only
works when 'wrap' is off. {not in Vi}
*ze*
-ze Scroll the screen horizontally to position the cursor
+ze Scroll the text horizontally to position the cursor
at the end (right side) of the screen. This only
works when 'wrap' is off. {not in Vi}