diff --git a/src/docbkx/reference/mongodb.xml b/src/docbkx/reference/mongodb.xml
index 883db5e1b..8fd34cea3 100644
--- a/src/docbkx/reference/mongodb.xml
+++ b/src/docbkx/reference/mongodb.xml
@@ -2135,7 +2135,7 @@ MapReduceResults<ValueObject> results = mongoOperations.mapReduce(query, "
   <section id="mongo.group">
     <title>Group Operations</title>
 
-    <para>As an alternative to usiing Map-Reduce to perform data aggregation,
+    <para>As an alternative to using Map-Reduce to perform data aggregation,
     you can use the <ulink
     url="http://www.mongodb.org/display/DOCS/Aggregation#Aggregation-Group"><literal>group</literal>
     operation</ulink> which feels similar to using SQL's group by query style,