Fix second diagram

README.md

@@ -73,6 +73,7 @@ Better approach is to use Public(Certificates)/Private keys encryption scheme wh
 
 ## Better Security Approach
 
+```
   +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+
   |          User Device          | (11) HTTPS Decrypt 
   |                               |      Request
@@ -116,6 +117,7 @@ Better approach is to use Public(Certificates)/Private keys encryption scheme wh
   | +---------------------------+ | (6) Authorization  |               |      Symmetric Key
   |                               |     Code           +---------------+
   +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+
+```
 
 # Setup Project