diff -r 045ff80b6455 -r f83906328c47 data/dictionary.xml
--- a/data/dictionary.xml	Tue Aug 13 20:31:34 2013 +0200
+++ b/data/dictionary.xml	Tue Aug 13 20:41:01 2013 +0200
@@ -1607,7 +1607,13 @@
 	</concept>
 	<concept>
 		<term abbreviation="FQDN" completeForm="fully qualified domain name" language="en"/>
-		<explanation language="en"><text></text></explanation>
+		<term abbreviation="" completeForm="absolute domain name" language="en"/>
+		<explanation language="en">
+			<text>
+				a domain name like „some-machine.example.com“ which completely specifies the location in the DNS hierarchy including the TLD;
+				compared to „some-machine“ which is not FQDN – is not globally unambiguous and will be resolved differently in different contexts
+			</text>
+		</explanation>
 		<tag>computer</tag>
 	</concept>
 	<concept>