Fix typo in Javadoc.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/companions/extras/trunk@1582071 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/log4j/receivers/spi/Decoder.java b/src/main/java/org/apache/log4j/receivers/spi/Decoder.java
index 7b9c603..0bc000b 100644
--- a/src/main/java/org/apache/log4j/receivers/spi/Decoder.java
+++ b/src/main/java/org/apache/log4j/receivers/spi/Decoder.java
@@ -48,7 +48,7 @@
   LoggingEvent decode(String event);
 
     /**
-     * Decode event from document retreived from URL.
+     * Decode event from document retrieved from URL.
      * @param url url of document
      * @return list of LoggingEvent instances.
      * @throws IOException if IO error resolving document.