Update the README file.

README

@@ -15,7 +15,7 @@ this project.
 You need Maven 3.X.
 
 Do note that there are some compatibility issues with Maven 3.X still
-unsolved [1].  This is specially true for the 'site' plugin [2].
+unsolved [1]. This is specially true for the 'site' plugin [2].
 
 [1]: <https://cwiki.apache.org/MAVEN/maven-3x-compatibility-notes.html>
 [2]: <https://cwiki.apache.org/MAVEN/maven-3x-and-site-plugin.html>
@@ -37,13 +37,11 @@ To run the unittests
 
 * Eclipse
 
-** Use the Maven eclipse plugin to configure the sub-projects
-
-$ mvn eclipse:eclipse
-
-** Install the m2Eclipse plugin, and use it to import the root
-   project. Each sub-project will be imported automatically.
+Maven support has been improved a lot in Eclipse 3.7 "Indigo", you
+really should use it. There are still some Maven plugins used by
+documentation sub-projects which are not supported even in Eclipse 3.7.
 
 The M2Eclipse plugin only works correctly with javacc Maven rules in
-Eclipse 3.7. In Eclipse 3.6 after importing the projects you should use
-"Maven / Update project configuration" to fix up the projects.
+Eclipse 3.7. So in Eclipse 3.6 you need install M2Eclipse yourself, and
+after importing the projects you should use "Maven / Update project
+configuration" to fix up the projects.