curl.1: minor format fix for --data-ascii

... and removal of trailing whitespace on a single line

docs/curl.1

@@ -284,9 +284,10 @@ curl invocation by using the \fI-b, --cookie\fP option! The
 When used in FTP, the FTP server response lines are considered being "headers"
 and thus are saved there.
 
-If this option is used several times, the last one will be used.  
+If this option is used several times, the last one will be used.
 
-.IP "--data-ascii <data>" See \fI-d, --data\fP.
+.IP "--data-ascii <data>"
+See \fI-d, --data\fP.
 .IP "--data-binary <data>"
 (HTTP) This posts data exactly as specified with no extra processing
 whatsoever.