diff -r 8c14aa8f27a2 -r 7ceab500e1f6 doc/graph_io.dox
--- a/doc/graph_io.dox	Thu Jun 30 16:13:30 2005 +0000
+++ b/doc/graph_io.dox	Fri Jul 01 10:33:27 2005 +0000
@@ -206,12 +206,13 @@
 reader.run();
 \endcode
 
-\section types The background of Reading and Writing
-The \c GraphReader should know how to read a Value from the given map.
+\section types Background of Reading and Writing
+To read a map (on the nodes or edges)
+the \c GraphReader should know how to read a Value from the given map.
 By the default implementation the input operator reads a value from
 the stream and the type of the readed value is the value type of the given map.
 When the reader should skip a value in the stream, because you do not
-want to store it in map, the reader skips a character sequence without 
+want to store it in a map, the reader skips a character sequence without 
 whitespace. 
 
 If you want to change the functionality of the reader, you can use
@@ -229,7 +230,7 @@
 };
 \endcode
 
-By example, the \c "strings" nodemap contains strings and you do not need
+For example, the \c "strings" nodemap contains strings and you do not need
 the value of the string just the length. Then you can implement own Reader
 struct.
 
@@ -253,7 +254,7 @@
 should provide an inner template class Reader for each type, and an 
 DefaultReader for skipping a value.
 
-The specialization of the writing should be very similar to the reading.
+The specialization of  writing should be very similar to that of reading.
 
 \author Balazs Dezso
 */