Update resume.md

Small typo

usingcurl/downloads/resume.md

@@ -10,7 +10,7 @@ the transfer with the `-C, --continue-at` option that takes either a plain
 numerical byte counter offset where to start or the string `-` that asks curl
 to figure it out itself based on what it knows. When using `-`, curl uses the
 destination filename to figure out how much data that is already present
-locally and ask use that as an offset when asking for more data from the
+locally and uses that as an offset when asking for more data from the
 server.
 
 To start downloading an FTP file from byte offset 100: