diff -r c904ec55acae -r 895c5ad94b6c data/dictionary.xml
--- a/data/dictionary.xml	Fri Aug 16 16:24:56 2013 +0200
+++ b/data/dictionary.xml	Fri Aug 16 16:39:10 2013 +0200
@@ -1524,7 +1524,15 @@
 	</concept>
 	<concept>
 		<term abbreviation="FSF" completeForm="Free Software Foundation" language="en"/>
-		<explanation language="en"><text></text></explanation>
+		<explanation language="en">
+			<text>
+				a non-profit organization founded by Richard Stallman on 4 October 1985 to support the free software movement;
+					has developed the GNU operating system,
+					issued licenses like GPL or FDL,
+					maintains the Free Software Definition,
+					does political campaigns and other activities related to user's freedoms;
+			</text>
+		</explanation>
 		<tag>computer</tag>
 	</concept>
 	<concept>