diff --git a/source/3/System_Tools_and_Preferences.rst b/source/3/System_Tools_and_Preferences.rst
index 1465beb9..f5b66885 100644
--- a/source/3/System_Tools_and_Preferences.rst
+++ b/source/3/System_Tools_and_Preferences.rst
@@ -2,7 +2,7 @@
 Chapter 3 System Tools and Preferences
 ***************************************
 
-This chapter documents tools to manage your system, to change preferences, and themeing on Lubuntu.
+This chapter documents tools to manage your system, to change preferences, and themeing Lubuntu.
 
 .. toctree::
    :maxdepth: 2