typo fix in testing

testing/install_script.sh

@@ -31,7 +31,7 @@ fi
 
 sleep 1
 
-# Looking for run-${MC_VERSION}.sh
+# Looking for run.sh
 if [ -e /MCserver/run-$MC_VERSION.sh ]
 	then
 		echo " "
@@ -86,7 +86,7 @@ else
 fi
 
 sleep 1
-sed -i '/server-port=25565/server-port=$GAME_PORT_TCP/g' /MCserver/server.properties
+sed -i 's/server-port=25565/server-port=$GAME_PORT_TCP/g' /MCserver/server.properties
 sleep 60
 
 # Set permissions.