diff -r f252a8afb258 -r 11aa00e57a38 data/dictionary.xml
--- a/data/dictionary.xml	Thu Mar 06 17:13:55 2014 +0100
+++ b/data/dictionary.xml	Tue Apr 29 12:16:27 2014 +0200
@@ -2051,7 +2051,7 @@
 					if the user is writing an e-mail,
 					knows recipient's name,
 					but don't know his e-mail address
-					– the groupware or e-mail client (e.g. SOGo, Zimbra or Thunderbird) can lookup the e-mail address in the GAL while user is writing only a part of recipient's name.
+					– the groupware or e-mail client (e.g. SOGo, Zimbra or Thunderbird) can lookup the e-mail address in the GAL while user is writing only a part of the recipient's name.
 			</text>
 		</explanation>
 		<tag>computer</tag>
@@ -2895,13 +2895,23 @@
 			<text>
 				a kind of telephone exchange used in some office or company for its own purposes;
 				provides FSX interface for connected phones;
-				can have FXO interface for connecting to PTSN (for calling outside the company);
+				can have FXO interface for connecting to PSTN (for calling outside the company);
 				nowadays are often deployed digital VoIP PBXes based on free software like Asterisk;
 				such telephony can be pure IP based with no POTS or can have some FSX or FXO interfaces
 			</text>
 		</explanation>
 	</concept>
 	<concept>
+		<term abbreviation="PLMN" completeForm="public land mobile network" language="en"/>
+		<explanation language="en">
+			<text>
+				a network established for providing mobile telecommunications services to the public;
+				e.g. GSM or UMTS networks operated by various carriers;
+				particular PLMNs are identified by MCC and MNC codes
+			</text>
+		</explanation>
+	</concept>
+	<concept>
 		<term abbreviation="PSTN" completeForm="public switched telephone network" language="en"/>
 		<explanation language="en">
 			<text>