[education/khipu] doc: doc: remove the space after a 'url' tag

[Luigi Toscano]

Git commit c874f9fb157b5418d35b17d7cc2c5f6cd358df8d by Luigi Toscano.
Committed on 18/09/2025 at 21:51.
Pushed by ltoscano into branch 'master'.

doc: remove the space after a 'url' tag

It is an error with libxml2 2.15.0, since
https://gitlab.gnome.org/GNOME/libxml2/-/commit/e4cbc295fa97f3c290cec8b243bd96ebdaa3dab2

M  +1    -1    doc/index.docbook

https://invent.kde.org/education/khipu/-/commit/c874f9fb157b5418d35b17d7cc2c5f6cd358df8d

diff --git a/doc/index.docbook b/doc/index.docbook
index b2251d3..62dede6 100644
--- a/doc/index.docbook
+++ b/doc/index.docbook
@@ -11,7 +11,7 @@
 <authorgroup>
 <author>
 <personname>
-      <firstname>This documentation was converted from the &kde; UserBase <ulink url=" https://userbase.kde.org/Khipu/Manual/Introduction">&khipu;/Manual</ulink> page.</firstname>
+      <firstname>This documentation was converted from the &kde; UserBase <ulink url="https://userbase.kde.org/Khipu/Manual/Introduction">&khipu;/Manual</ulink> page.</firstname>
 <surname></surname>
 </personname>
       </author>