Fixed a typo

README.md

@@ -46,7 +46,7 @@ The training IOC required some [customization to allow the IOC's prefix to be ov
 * the caQtDM (and MEDM) start scripts open **my-xxx.ui** (and **my-xxx.adl**) instead of **xxx.ui** (and **xxx.adl**)
 * A **newPrefix.sh** script was added to simplify the creation of **override.iocsh**, **my-xxx.ui** and **my-xxx.adl**
 
-#### Should I deploy beamline IOCs based on the traiing IOC?
+#### Should I deploy beamline IOCs based on the training IOC?
 
 No.  Just use **mkioc**.