[utilities/kate] doc/katepart: Clarify “disk file” in the context of backup saves

[Christoph Cullmann]

Git commit 705a80475dfe1e3d9701c19b634b463e8eabcf77 by Christoph Cullmann, on behalf of Daniel Aleksandersen.
Committed on 11/03/2022 at 17:50.
Pushed by cullmann into branch 'master'.

Clarify “disk file” in the context of backup saves

M  +6    -4    doc/katepart/configuring.docbook

https://invent.kde.org/utilities/kate/commit/705a80475dfe1e3d9701c19b634b463e8eabcf77

diff --git a/doc/katepart/configuring.docbook b/doc/katepart/configuring.docbook
index fa2387db0..371e11cb0 100644
--- a/doc/katepart/configuring.docbook
+++ b/doc/katepart/configuring.docbook
@@ -895,10 +895,12 @@ one is not already present upon saving the file.</para>
 
 <varlistentry>
 <term><guilabel>Write a backup file on save for</guilabel></term>
-<listitem><para>Backing up on save will cause &kappname; to copy the disk file to
-<prefix><filename><suffix> before saving changes.
-The suffix defaults to <emphasis role="bold">~</emphasis> and prefix is empty by
-default. </para>
+<listitem><para>Backing up on save will cause &kappname; to copy the disk file
+(the previously saved version of the file) to <prefix><filename><suffix>
+before saving the new changes. A backup file can help you recover work if
+something goes wrong while saving or if you later want to recover the previous
+version of the file.  The suffix defaults to <emphasis role="bold">~</emphasis>
+and prefix is empty by default. </para>
 <variablelist>
 <varlistentry>
 <term><guilabel>Local files</guilabel></term>