fix some Doxygen warnings

src/node/address.h

@@ -66,11 +66,11 @@ namespace ns3 {
 class Address 
 {
 public:
+  /**
+   * The maximum size of a byte buffer which
+   * can be stored in an Address instance.
+   */
   enum MaxSize_e {
-    /**
-     * The maximum size of a byte buffer which
-     * can be stored in an Address instance.
-     */
     MAX_SIZE = 30
   };
 

src/node/net-device.h

@@ -312,7 +312,7 @@ public:
   virtual void SetPromiscReceiveCallback (PromiscReceiveCallback cb) = 0;
 
   /**
-   * \return true if this interface supports a promiscuous mode, false otherwise.
+   * \return true if this interface supports a bridging mode, false otherwise.
    */
   virtual bool SupportsSendFrom (void) const = 0;