diff -r 9ae88e7c04a7 -r e20173729589 lemon/bfs.h
--- a/lemon/bfs.h	Fri Nov 13 17:30:26 2009 +0100
+++ b/lemon/bfs.h	Fri Nov 13 18:10:06 2009 +0100
@@ -63,7 +63,7 @@
 
     ///The type of the map that indicates which nodes are processed.
     ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
-    ///By default it is a NullMap.
+    ///By default, it is a NullMap.
     typedef NullMap<typename Digraph::Node,bool> ProcessedMap;
     ///Instantiates a \c ProcessedMap.
 
@@ -852,7 +852,7 @@
 
     ///The type of the map that indicates which nodes are processed.
     ///It must conform to the \ref concepts::WriteMap "WriteMap" concept.
-    ///By default it is a NullMap.
+    ///By default, it is a NullMap.
     typedef NullMap<typename Digraph::Node,bool> ProcessedMap;
     ///Instantiates a ProcessedMap.