fixing wireshark
diff --git a/openflow.lua b/openflow.lua
index ea6dc68..c74d421 100644
--- a/openflow.lua
+++ b/openflow.lua
@@ -68,7 +68,7 @@
     return self
 end
 
-p_of = Proto ("of", "OpenFlow")
+p_of = Proto ("of", "OF")
 ethernet_dissector = Dissector.get("eth")
 
 current_pkt = nil
diff --git a/tutorial1-setup.sh b/tutorial1-setup.sh
index 9510146..e945848 100644
--- a/tutorial1-setup.sh
+++ b/tutorial1-setup.sh
@@ -127,6 +127,8 @@
 echo "wireshark-common wireshark-common/install-setuid boolean true" | sudo debconf-set-selections 
 sudo dpkg-reconfigure -f noninteractive wireshark-common
 sudo usermod -a -G wireshark mininet
+sudo usermod -a -G wireshark tutorial1
+
 
 echo "Installing VirtualBox Guest Additions"
 sudo apt-get install -y virtualbox-guest-x11