cite GoF for Observer pattern

[skm-ma-ws1314.git] / sec-xmpp.tex

diff --git a/sec-xmpp.tex b/sec-xmpp.tex
index fbc1dbe..213f3c2 100644 (file)
--- a/sec-xmpp.tex
+++ b/sec-xmpp.tex
@@ -95,7 +95,7 @@ and several ``away'' or ``do not disturb'' states), a user needs to subscribe to
 the other user's status. The mechanism behind this is called
 \term{Publish-Subscribe} and is specified in XEP-0060~\cite{xep0060}. It can
 be used to notify interested users about changes in personal information, and
-implements the well-known Observer pattern.
+implements the well-known Observer pattern~\cite{GOF95}.
 
 A user publishes information by creating a \term{node} on the XMPP server, which
 acts as a handle for the data. Interested users can then query the server for
@@ -160,7 +160,7 @@ publish the following four mDNS records:
 \begin{itemize}
   \item an A record \code{capulet.local}, specifying her IP address,
   \item an SRV record \code{juliet@capulet.\_presence.\_tcp.local}, specifying
-    the port on which her XMPP client listens, and refering to
+    the port on which her XMPP client listens, and referring to
     \code{capulet.local} as the host name
   \item a PTR record \code{\_presence.\_tcp.local} for service discovery,
     pointing to \code{juliet@capulet.\_presence.\_tcp.local}