Index: share/man/man5/ext2fs.5
===================================================================
--- share/man/man5/ext2fs.5
+++ share/man/man5/ext2fs.5
@@ -47,8 +47,10 @@
 driver will permit the
 .Fx
 kernel to access
-.Tn ext2 ,
-.Tn ext3 ,
+.Tn ext2
+file systems and its derivatives.
+It currently implements most of the features required by 
+.Tn ext3
 and
 .Tn ext4
 file systems.
@@ -77,14 +79,28 @@
 .An -nosplit
 The
 .Nm
-kernel implementation was written by
+kernel implementation is derived from code written by
 .An Godmar Back
-or modified by him using the CSRG sources.
+or modified by him using the UFS CSRG sources for CMU Mach.
 .Pp
 .An John Dyson
-and others in the
+did the initial port to
+.Fx.
+.An Aditya Sarawgi
+merged important parts of the allocation code from a clean-room
+.Nx
+implementation.
+.An Zheng Liu
+and
+.An Fedor Upurov
+implemented the read and write support respectively for
+.Tn ext4
+filesystems.
+The
 .Fx
-Project made modifications.
+community has contributed a huge amount of modifications.
 .Pp
 This manual page was written by
-.An Craig Rodrigues Aq Mt rodrigc@FreeBSD.org .
+.An Craig Rodrigues Aq Mt rodrigc@FreeBSD.org
+and later updated by
+.An Pedro Giffuni Aq Mt pfg@FreeBSD.org .