Fixed formatting

README.md

@@ -33,11 +33,13 @@ The client script requires ["dnspython"](https://github.com/rthalley/dnspython)
 #### Example sending data
 
 > Outside machine : echo test12345 | python main.py -f- -d out -t-
+
 > Inside machine : python main.py -f- -d in -t TOKEN_THE_FIRST_COMMAND_GAVE_YOU
 
 #### Example receiving data
 
 > Outside machine : python main.py -f- -d in -t-
+
 > Inside machine : echo test12345 | python main.py -f- -d out -t TOKEN_THE_FIRST_COMMAND_GAVE_YOU