diff --git a/en_US.ISO8859-1/articles/explaining-bsd/article.sgml b/en_US.ISO8859-1/articles/explaining-bsd/article.sgml
index ae3d24a266..b2ca9f6b54 100644
--- a/en_US.ISO8859-1/articles/explaining-bsd/article.sgml
+++ b/en_US.ISO8859-1/articles/explaining-bsd/article.sgml
@@ -130,7 +130,7 @@
 
     <para>Initial BSD releases consisted mainly of user programs, but that
       changed dramatically when the CSRG landed a contract with the Defense
-      Advanced Projects Research Agency (DARPA) to upgrade the communications
+      Advanced Research Projects Agency (DARPA) to upgrade the communications
       protocols on their network, ARPANET.  The new protocols were known as
       the <emphasis>Internet Protocols</emphasis>, later
       <emphasis>TCP/IP</emphasis> after the most important protocols.  The