diff -r f064cb3f5c08 -r 4f9200e6c120 data/dictionary.xml
--- a/data/dictionary.xml	Mon Aug 19 22:24:15 2013 +0200
+++ b/data/dictionary.xml	Fri Aug 23 13:16:28 2013 +0200
@@ -82,6 +82,18 @@
 		<tag>computer</tag>
 	</concept>
 	<concept>
+		<term abbreviation="" completeForm="octet string" language="en"/>
+		<term abbreviation="" completeForm="OctetString" language="en"/>
+		<explanation language="en">
+			<text>
+				a basic data type in ASN.1, LDAP and other protocols;
+				just a byte array – an ordered sequence of zero or more octets;
+				can contain human readable text (in any character encoding) or any binary data;
+				the most generic data type
+			</text>
+		</explanation>
+	</concept>
+	<concept>
 		<term abbreviation="MMS" completeForm="multimedia messaging service" language="en"/>
 		<explanation language="en">
 			<text>