[gtk-doc] help: Fix typo

[Stefan Kost <stefkost src gnome org>]

commit dda0ff127408f95cd33da89ad609222bb919431a
Author: Jens Georg <mail jensge org>
Date:   Fri Mar 23 13:42:19 2012 +0100

    help: Fix typo
    
    https://bugzilla.gnome.org/show_bug.cgi?id=672687

 help/manual/C/gtk-doc-manual.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/manual/C/gtk-doc-manual.xml b/help/manual/C/gtk-doc-manual.xml
index e38477d..1dcc791 100644
--- a/help/manual/C/gtk-doc-manual.xml
+++ b/help/manual/C/gtk-doc-manual.xml
@@ -1260,7 +1260,7 @@ typedef struct _FooWidget {
 
         <para>
           Struct comment blocks can also be used for GObjects and GObjectClasses.
-          It is usualy a good idea to add a comment blco for a class, if it has
+          It is usualy a good idea to add a comment block for a class, if it has
           vmethods (as this is how they can be documented). For the GObject
           itself one can use the related section docs, having a separate block
           for the instance struct would be useful if the instance has public