Fix Doxygen formatting

examples/wireless/wifi-hidden-terminal.cc

@@ -125,7 +125,8 @@ experiment(bool enableCtsRts, std::string wifiManager)
     cbrApps.Add(onOffHelper.Install(nodes.Get(0)));
 
     // flow 2:  node 2 -> node 1
-    /** \internal
+    /**
+     * \internal
      * The slightly different start times and data rates are a workaround
      * for \bugid{388} and \bugid{912}
      */
@@ -133,7 +134,8 @@ experiment(bool enableCtsRts, std::string wifiManager)
     onOffHelper.SetAttribute("StartTime", TimeValue(Seconds(1.001)));
     cbrApps.Add(onOffHelper.Install(nodes.Get(2)));
 
-    /** \internal
+    /**
+     * \internal
      * We also use separate UDP applications that will send a single
      * packet before the CBR flows start.
      * This is a workaround for the lack of perfect ARP, see \bugid{187}