Update README.md

README.md

@@ -59,7 +59,7 @@ The VM is based on a Ubuntu 16.04.05 and after building it contains:
 
 ## Exercises
 
-In this section we provide the links to the weekly exercises. There are two types of exercises. The first ones will be P4-based whereas later during the semester you will have mini-Internet-based exercises (the same kind of mini-Internet that you used in the Communication Networks lecture)).
+In this section we provide the links to the weekly exercises. There are two types of exercises. The first ones will be P4-based whereas later during the semester you will have mini-Internet-based exercises (the same kind of mini-Internet that you used in the Communication Networks lecture).
 To get the exercises ready in your VM, please clone this repository both times; one in the `p4` user home directory and one in the `mini_internet` user home directory. We illustrate how to do that for the `p4` user.
 
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