diff --git a/src/sugar3/graphics/notebook.py b/src/sugar3/graphics/notebook.py
index e14bf0ef..8c1b37d1 100644
--- a/src/sugar3/graphics/notebook.py
+++ b/src/sugar3/graphics/notebook.py
@@ -125,7 +125,7 @@ class Notebook(Gtk.Notebook):
         Returns
         -------
         Boolean
-          Returns TRUE if the page is successfully added to th notebook.
+          Returns TRUE if the page is successfully added to the notebook.
 
         """
         # Add a new page to the notebook