[gtk/gtk-4-6] texttag: Correct typo

[Matthias Clasen <matthiasc src gnome org>]

commit 4a388b554089da77e39e63a81956842563c0d753
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Mon Apr 4 14:10:18 2022 +0200

    texttag: Correct typo
    
    Does not generate a gir docstring without it.

 gtk/gtktexttag.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtktexttag.c b/gtk/gtktexttag.c
index 8b252fb725..e4fc18413e 100644
--- a/gtk/gtktexttag.c
+++ b/gtk/gtktexttag.c
@@ -605,7 +605,7 @@ gtk_text_tag_class_init (GtkTextTagClass *klass)
                                                      GTK_PARAM_READWRITE));
 
   /**
-   * GtkTexTag:line-height:
+   * GtkTextTag:line-height:
    *
    * Factor to scale line height by.
    *