[gnome-commander] Updating documentation for scrolling feature in InternalViewer, #95

[Uwe Scholz <uwescholz src gnome org>]

commit 46893ccf6f84526e34d9fb35ba4545ca0f3ea121
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Mon Feb 15 22:45:16 2021 +0100

    Updating documentation for scrolling feature in InternalViewer, #95

 doc/C/index.docbook | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/doc/C/index.docbook b/doc/C/index.docbook
index b85251d4..946789dd 100644
--- a/doc/C/index.docbook
+++ b/doc/C/index.docbook
@@ -4293,7 +4293,10 @@
             <para>Drag the scrollbars on the window borders.</para>
           </listitem>
           <listitem>
-            <para>Click at a random position of the image and drag it by pulling your mouse in the opposite 
direction 
+            <para>Move the mouse scroll wheel for up/down movement; 
<keycombo><keycap>CTRL</keycap></keycombo>+mouse wheel for left/right movement</para>
+          </listitem>
+          <listitem>
+            <para>Click at a random position of the image and drag it by pulling your mouse in the opposite 
direction
            to which you want to scroll. For example, if you want to scroll down the image, drag the image 
upwards.</para>
           </listitem>
         </itemizedlist>