diff --git a/PPI/Mainpage.dox b/PPI/Mainpage.dox
index 8ab4d4bd85686237f90f6422634b85f94494fd9f..0acd574374075c9337bdc4d360d04d33d7d48043 100644
--- a/PPI/Mainpage.dox
+++ b/PPI/Mainpage.dox
@@ -253,8 +253,8 @@
     This application will read udp-packets coming in on port 1111 and will forward
     them to port 2222 on host 2.3.4.5 with a fixed rate of 10 packets / second.
     
-    We start of by instantiating the necessary modules. Then the connections between these modules
-    are set up by successively connecting each output connector to an in put connector. As can be
+    We start out by instantiating the necessary modules. Then the connections between these modules
+    are set up by successively connecting each output connector to an input connector. As can be
     seen, the name of the connector can be left of if it is named \c output or \c input
     respectively.