--- a/relpipe-data/specification.xml	Tue Dec 04 22:43:03 2018 +0100
+++ b/relpipe-data/specification.xml	Thu Dec 06 15:13:28 2018 +0100
@@ -57,7 +57,7 @@
 		
 		<h3>relpipe-in-cli</h3>
 		<p>
-			A tool that generates a single relation. I we want more relations in a single stream, we just call this command multiple times:
+			A tool that generates a single relation. If we want more relations in a single stream, we just call this command multiple times:
 		</p>
 		
 		<m:pre jazyk="bash"><![CDATA[
@@ -121,7 +121,7 @@
 			Also attribute names and types are lost by default.
 		</p>
 		<p>
-			Is suitable for passing a single relation to <code>xargs -0 -nX</code> (where X is the attribute count)
+			Is suitable for passing a single relation to <code>xargs --null --max-args=X</code> (where X is the attribute count)
 			or other command that accepts values separated by a null-byte.
 		</p>