diff --git a/source/3/3.1/internet_applications.rst b/source/3/3.1/internet_applications.rst
index db9a7e39..e6dd65fd 100644
--- a/source/3/3.1/internet_applications.rst
+++ b/source/3/3.1/internet_applications.rst
@@ -1,5 +1,5 @@
 Chapter 3.1: Internet applications
-==============================
+==================================
 
 This chapter contains the list of Internet applications installed by default.