diff --git a/src/core/helper/random-variable-stream-helper.cc b/src/core/helper/random-variable-stream-helper.cc
index b6f70091a..2248e2795 100644
--- a/src/core/helper/random-variable-stream-helper.cc
+++ b/src/core/helper/random-variable-stream-helper.cc
@@ -23,6 +23,13 @@
 #include "ns3/assert.h"
 #include "random-variable-stream-helper.h"
 
+/**
+ * \file
+ * \ingroup core-helpers
+ * \ingroup randomvariable
+ * ns3::RandomVariableStreamHelper implementation.
+ */
+
 namespace ns3 {
 
 NS_LOG_COMPONENT_DEFINE ("RandomVariableStreamHelper");
diff --git a/src/core/helper/random-variable-stream-helper.h b/src/core/helper/random-variable-stream-helper.h
index 0adffaed5..02695a92c 100644
--- a/src/core/helper/random-variable-stream-helper.h
+++ b/src/core/helper/random-variable-stream-helper.h
@@ -21,6 +21,13 @@
 
 #include <string>
 
+/**
+ * \file
+ * \ingroup core-helpers
+ * \ingroup randomvariable
+ * ns3::RandomVariableStreamHelper declaration.
+ */
+
 namespace ns3 {
 
 /**
@@ -33,7 +40,7 @@ public:
    * This helper method can be used to configure the stream number for
    * one or more RNG streams.  The path passed in should correspond to
    * an attribute path in the configuration system.  It may contain wildcards
-   * and may ultimately match zero, one, or more than one objects.
+   * and may ultimately match zero, one, or more than one object.
    *
    * The objects to match are of type PointerValue where the underlying
    * type is of type Ptr<RandomVariableStream>.