classpath: cleanup help text

package/classpath/Config.in

@@ -3,5 +3,9 @@ config BR2_PACKAGE_CLASSPATH
 	default n
 
 	help
-	  GNU Classpath, Essential Libraries for Java, is a GNU project to create free core class libraries for use with virtual machines and compilers for the java programming language
+	  GNU Classpath, Essential Libraries for Java, is a GNU
+	  project to create free core class libraries for use with
+	  virtual machines and compilers for the java programming
+	  language.
+
 	  http://www.classpath.org/