[gimp-help] Fix typos in mean curvature filter.

[Jacob Boerema <jboerema src gnome org>]

commit 463bd4c2a936208739128694623f9824cf6fe2bd
Author: Jacob Boerema <jgboerema gmail com>
Date:   Sat Oct 1 22:22:47 2022 -0400

    Fix typos in mean curvature filter.
    
    (cherry picked from commit 0957eb64e1f93f87468c5a34c3f05c12a49a48f3)

 src/filters/blur/mean-curvature-blur.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/filters/blur/mean-curvature-blur.xml b/src/filters/blur/mean-curvature-blur.xml
index 457d48267..fb50a8b7e 100644
--- a/src/filters/blur/mean-curvature-blur.xml
+++ b/src/filters/blur/mean-curvature-blur.xml
@@ -25,8 +25,8 @@ xmlns:xi="http://www.w3.org/2001/XInclude"; id="gimp-filter-mean-curvature-blur">
       preserving edges.
     </para>
     <para>
-      Mean Curvature algorithm is describes in <ulink 
-      url="https://en.wikipedia.org/wiki/Mean_curvature";>Wikipedia</ulink>
+      The Mean Curvature algorithm is described on <ulink 
+      url="https://en.wikipedia.org/wiki/Mean_curvature";>Wikipedia</ulink>.
     </para>
   </sect3>