diff -r 02c5533d3888 -r 6a2aee55a16c data/dictionary.xml
--- a/data/dictionary.xml	Fri Aug 16 18:41:01 2013 +0200
+++ b/data/dictionary.xml	Fri Aug 16 21:32:27 2013 +0200
@@ -376,7 +376,6 @@
 	</concept>
 	<concept>
 		<term abbreviation="UTF-8" completeForm="unicode transformation format 8-bit" language="en"/>
-		<term abbreviation="UTF8" completeForm="unicode transformation format 8-bit" language="en"/>
 		<explanation language="en">
 			<text>
 				an character encoding that can represent every character in the Unicode character set;
@@ -390,10 +389,26 @@
 	</concept>
 	<concept>
 		<term abbreviation="UCS-2" completeForm="universal character set 2-byte" language="en"/>
-		<explanation language="en"><text></text></explanation>
+		<explanation language="en">
+			<text>
+				an multibyte but fixed-length (2 byte) character encoding;
+				sometimes is used for SMS;
+				for general use it was superseded by UTF-16 (in Unicode 2.0 in 1996)
+			</text>
+		</explanation>
 		<tag>messaging</tag>
 	</concept>
 	<concept>
+		<term abbreviation="UTF-16" completeForm="unicode transformation format 16-bit" language="en"/>
+		<explanation language="en">
+			<text>
+				an multibyte and variable-width encoding for Unicode codepoints from 0 to 0x10FFFF;
+				successor of UCS-2 encoding (for range 0-0xFFFF they have same values)
+			</text>
+		</explanation>
+		<tag>computer</tag>
+	</concept>
+	<concept>
 		<term abbreviation="SMPP" completeForm="short message peer-to-peer" language="en"/>
 		<explanation language="en"><text></text></explanation>
 		<tag>messaging</tag>