diff -r cd5524d03739 -r 65138c5d5a7c relpipe-data/examples.xml
--- a/relpipe-data/examples.xml	Fri Dec 07 21:54:40 2018 +0100
+++ b/relpipe-data/examples.xml	Fri Dec 07 22:01:46 2018 +0100
@@ -12,7 +12,7 @@
 		<h3>relpipe-in-cli: Hello Wordl!</h3>
 		
 		<p>
-			Let's start with and obligatory Hello World example.
+			Let's start with an obligatory Hello World example.
 		</p>
 		
 		<m:pre jazyk="bash"><![CDATA[relpipe-in-cli generate "relation_from_cli" 3 \
@@ -305,6 +305,13 @@
 		</p>
 		
 		<pre>relpipe-in-fstab | relpipe-out-fstab | diff -w /etc/fstab -</pre>
+
+		<p>
+			Another check (should print same hashes):
+		</p>
+		
+		<pre><![CDATA[relpipe-in-fstab | sha512sum 
+relpipe-in-fstab | relpipe-out-fstab | relpipe-in-fstab | sha512sum]]></pre>
 		
 		<p>
 			Regular implementation of <code>relpipe-out-fstab</code> will probably keep the comments