Updated Quick start (markdown)

Quick-start.md

@@ -176,7 +176,7 @@ Note that your setup will be saved and restored across program stop/start cycles
 
 This is a very brief introduction on how to get you started quickly. Please read the other pages of the Wiki in particular to get the details of device and channel plugins.
 
-You can also create transmitters and MIMO (Multiple Input Multiple Output) devices with the following buttons in the top bar of the workspace window:
+You can also create transmitters and MIMO (Multiple-Input Multiple-Output) devices with the following buttons in the top bar of the workspace window:
 
   - Transmitters: ![Quick 16](images/quick_v7/quick_16.png)
   - MIMO: ![Quick 17](images/quick_v7/quick_17.png)