Issue #2174353 by anemes, bryanlburkholder: Fix up docs for system_retrieve_file
Issue #2174353 by anemes, bryanlburkholder: Fix up docs for system_retrieve_file

lincgr/Prueba,brainhell/drupalglass,brainhell/drupalglass,joshkoenig/golden-god-demo,brainhell/drupalglass,joshkoenig/golden-god-demo,brainhell/drupalglass,lincgr/Prueba,rmcveigh/frontend-dev,brainhell/drupalglass,lincgr/Prueba,joshkoenig/golden-god-demo,rmcveigh/frontend-dev,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,joshkoenig/golden-god-demo,lincgr/Prueba,joshkoenig/golden-god-demo,rmcveigh/frontend-dev