Update DataLinkImp.tex

DataLinkImp.tex

@@ -72,7 +72,7 @@ \section{Introduction}
 services that can act upon the data (usually without having to download
 the entire dataset). In the latter cases it allows to associate metadata, images,
 cubes, spectra, timeseries or ancillary data to a source in the sky or other
-kind of iteim. The expected usage is for DAL (Data Access Layer)
+kind of item. The expected usage is for DAL (Data Access Layer)
 data discovery services (e.g.\ a TAP service \citep{2010ivoa.spec.0327D}
 with the ObsCore \citep{2017ivoa.spec.0509L} data
 model or one of the simple DAL services) to provide an identifier that