Update Keycard_API.md

Author: SATUNIX

Docs/Keycard_API.md

@@ -29,7 +29,8 @@ Understanding Keycard Capabilities:
 >So the smart card only "accelerates" the private key operation. I put that between quotes as in general a mainstream CPU will be much faster than the speed of the cryptographic co-processor and the communication overhead provided by the card. The AES operations are performed off-card, and they bear the brunt of the work for any files above, say, a few KiB.
 
 
-## Note from Satunix. Data flow of symmetrically encrypting and decrypting data using JAVA Keycard
+## HOW TO! Note from Satunix. 
+## Data flow of symmetrically encrypting and decrypting data using JAVA Keycard
 
 1. Encryption: 
 - User enters passphrase