diff -up man-pages-3.35/man2/fallocate.2.tmp man-pages-3.35/man2/fallocate.2
--- man-pages-3.35/man2/fallocate.2.tmp	2011-10-04 08:34:42.000000000 +0200
+++ man-pages-3.35/man2/fallocate.2	2011-11-11 16:33:23.627651760 +0100
@@ -116,15 +116,15 @@ referred to by
 .IR fd .
 .TP
 .B ENOSYS
-The file system containing the file referred to by
-.I fd
-does not support this operation.
+System call is not supported.
 .TP
 .B EOPNOTSUPP
 The
 .I mode
-is not supported by the file system containing the file referred to by
-.IR fd .
+is not supported by kernel or by the file system containing the file
+referred to by
+.IR fd
+or the file system does not support fallocate at all.
 .TP
 .B EPERM
 The file referred to by