diff --git a/source/applications/map-reduce.txt b/source/applications/map-reduce.txt
index b1aa7b37617..2911425fff2 100644
--- a/source/applications/map-reduce.txt
+++ b/source/applications/map-reduce.txt
@@ -23,17 +23,17 @@ shell using the :method:`db.collection.mapReduce()` method:
 .. code-block:: javascript
 
    db.collection.mapReduce(
-                            <map>,
-                            <reduce>,
+                            <mapfunction>,
+                            <reducefunction>,
                             {
-                              <out>,
-                              <query>,
-                              <sort>,
-                              <limit>,
-                              <finalize>,
-                              <scope>,
-                              <jsMode>,
-                              <verbose>
+                              out: <collection>,
+                              query: <document>,
+                              sort: <document>,
+                              limit: <number>,
+                              finalize: <function>,
+                              scope: <document>,
+                              jsMode: <boolean>,
+                              verbose: <boolean>
                             }
                           )
 
diff --git a/source/reference/command/mapReduce.txt b/source/reference/command/mapReduce.txt
index d236defb0ef..ecdd33a3c17 100644
--- a/source/reference/command/mapReduce.txt
+++ b/source/reference/command/mapReduce.txt
@@ -15,17 +15,17 @@ mapReduce
 
       db.runCommand(
                      { 
-                       mapReduce: '<collection>',
-                       map: <map>,
-                       reduce: <reduce>,
-                       out: <out>,
-                       query: <query>,
-                       sort: <sort>,
-                       limit: <limit>,
-                       finalize: <finalize>,
-                       scope: <scope>,
-                       jsMode: <jsMode>,
-                       verbose: <verbose>
+                       mapReduce: <collection>,
+                       map: <function>,
+                       reduce: <function>,
+                       out: <collection>,
+                       query: <document>,
+                       sort: <document>,
+                       limit: <number>,
+                       finalize: <function>,
+                       scope: <document>,
+                       jsMode: <boolean>,
+                       verbose: <boolean>
                      }
                    )
 
diff --git a/source/reference/method/db.collection.mapReduce.txt b/source/reference/method/db.collection.mapReduce.txt
index d648a739f4d..b7f4918530a 100644
--- a/source/reference/method/db.collection.mapReduce.txt
+++ b/source/reference/method/db.collection.mapReduce.txt
@@ -12,17 +12,17 @@ db.collection.mapReduce()
    .. code-block:: javascript
 
       db.collection.mapReduce(
-                               <map>,
-                               <reduce>,
+                               mapfunction,
+                               reducefunction,
                                {
-                                 <out>,
-                                 <query>,
-                                 <sort>,
-                                 <limit>,
-                                 <finalize>,
-                                 <scope>,
-                                 <jsMode>,
-                                 <verbose>
+                                 out: <collection>,
+                                 query: <document>,
+                                 sort: <document>,
+                                 limit: <number>,
+                                 finalize: <function>,
+                                 scope: <document>,
+                                 jsMode: <boolean>,
+                                 verbose: <boolean>
                                }
                              )