[minor] Useless commit to test Travis

Author: BastienTr

README.md

@@ -38,7 +38,7 @@ Available Features
 - Binary AWGN Channel (BAWGNC)
 
 [**Wifi 802.11 Simulation Class**](https://github.com/veeresht/CommPy/blob/master/commpy/wifi80211.py)
-- A class to simulate the transmissions and receiving parameters of physical layer 802.11 (currently till VHT (ac))
+- A class to simulate the transmissions and receiving parameters of physical layer 802.11 (currently till VHT (ac)).
 
 [Filters](https://github.com/veeresht/CommPy/blob/master/commpy/filters.py)
 -------