[gnome-todo] help: Fix typo in its tag

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 305d3fc6f27e207e9c1b9f6c134c7a7ae0c4a367
Author: Anders Jonsson <anders jonsson norsjovallen se>
Date:   Sun Sep 12 13:55:31 2021 +0200

    help: Fix typo in its tag
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-todo/-/issues/404

 help/C/index.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index 5da59cf0..51b10e46 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -8,7 +8,7 @@
   </info>
 
   <title>
-    <media type="image" its:translatable="no" src="figures/org.gnome.Todo.svg" width="48" 
height="48"></media>
+    <media type="image" its:translate="no" src="figures/org.gnome.Todo.svg" width="48" height="48"></media>
     <span>GNOME To Do</span>
   </title>