Fixed documentation error for Operation.REPLACE. (#172)

Signed-off-by: Jesper de Jong <jespdj@gmail.com>

api/src/main/java/javax/json/JsonPatch.java

diff --git a/api/src/main/java/javax/json/JsonPatch.java b/api/src/main/java/javax/json/JsonPatch.java
index 0a8948c..6cbaa94 100644
--- a/api/src/main/java/javax/json/JsonPatch.java
+++ b/api/src/main/java/javax/json/JsonPatch.java
@@ -66,7 +66,7 @@
         REMOVE("remove"),
 
         /**
-         * "remove" operation.
+         * "replace" operation.
          */
         REPLACE("replace"),