Grammar fixes in fallback message
Grammar fixes in fallback message

schalkneethling/mozsa-jhb-opening,arkegeomatica/presentaciones,dulichan/kart-slide,RonFIX/internet,KathyReid/osdc-2015-presentation,matthewSorensen/himpress,StridersGonnaStride/impress.js2,StridersGonnaStride/impress.js2,j2lb/Algo_Impress.js,impress/impress.js,dulichan/kart-slide,RonFIX/internet,henrikingo/impress.js,StridersGonnaStride/myimpress,henrikingo/impress.js,KathyReid/osdc-2015-presentation,j2lb/Algo_Impress.js,arkegeomatica/presentaciones,StridersGonnaStride/myimpress,impress/impress.js,iblancasa/BackendSI2-IV-slides