diff --git a/src/core/model/nstime.h b/src/core/model/nstime.h
index 19503170a..dad93b2a4 100644
--- a/src/core/model/nstime.h
+++ b/src/core/model/nstime.h
@@ -478,11 +478,11 @@ private:
    */
   struct Information
   {
-    bool toMul;
-    bool fromMul;
-    int64_t factor;
-    int64x64_t timeTo;
-    int64x64_t timeFrom;
+    bool toMul;                     //!< Multiply when converting To, otherwise divide  
+    bool fromMul;                   //!< Multiple when converting From, otherwise divide
+    int64_t factor;                 //!< Ratio of this unit / current unit		  
+    int64x64_t timeTo;              //!< Multiplier to convert to this unit		  
+    int64x64_t timeFrom;            //!< Multiplier to convert from this unit		  
   };
   /**
    * Current time unit, and conversion info.
diff --git a/src/core/model/time.cc b/src/core/model/time.cc
index 0361da40d..17466d80a 100644
--- a/src/core/model/time.cc
+++ b/src/core/model/time.cc
@@ -65,7 +65,7 @@ bool Time::StaticInit ()
   return firstTime;
 }
 
-
+  
 Time::Time (const std::string& s)
 {
   NS_LOG_FUNCTION (this << &s);
@@ -103,19 +103,19 @@ Time::Time (const std::string& s)
         }
       else
         {
-      NS_ABORT_MSG ("Can't Parse Time " << s);
-    }
+          NS_ABORT_MSG ("Can't Parse Time " << s);
+        }
     }
   else
     {
-  // they didn't provide units, assume seconds
-  std::istringstream iss;
-  iss.str (s);
-  double v;
-  iss >> v;
-  *this = Time::FromDouble (v, Time::S);
-}
-
+      // they didn't provide units, assume seconds
+      std::istringstream iss;
+      iss.str (s);
+      double v;
+      iss >> v;
+      *this = Time::FromDouble (v, Time::S);
+    }
+  
   if (g_markingTimes)
     {
       Mark (this);