Update README.md

Author: Gautham-JS

README.md

@@ -25,11 +25,16 @@ We use 100samples of a standard sinewave of frequency `fskFreq1` for bit1 and 10
 
 After iterating for every bit in the 16bit sequence, we obtain the FSK signal which has Frequency `fskFreq1` if bit is 1 and `fskFreq2` if bit is zero.
 
-**The output FSK is :**
+**The output FSK for sequence [1101100011001000] is :**
 
 ![FSK](/FSK_screencaps/FSK_updated.png)
 
 
-**Upon doing Fourier transform of the FSK signal, we obtain 2 significant peaks at the 2 FSK frequencies used.**
+**Upon doing Fourier transform of the FSK signal, we obtain 2 significant peaks at the 2 FSK frequencies used :**
 
 ![FFT of FSK](/FSK_screencaps/FSKfft.png)
+
+**Passing the FSK signal to the function `FSKdemod()` gives the demodulated bit sequence by using a frequency detection technique(zero crossing) :**
+
+![Demodulated output](/FSK_screencaps/FSKdemod.png)
+