diff --git a/man7/attr.7 b/man7/attr.7
index 75379e6..3fc8f76 100644
--- a/man7/attr.7
+++ b/man7/attr.7
@@ -48,11 +48,8 @@ Extended attributes are accessed as atomic objects.
 Reading retrieves the whole value of an attribute and stores it in a buffer.
 Writing replaces any previous value with the new value.
 .PP
-Space consumed for extended attributes is counted towards the disk quotas
+Space consumed for extended attributes may be counted towards the disk quotas
 of the file owner and file group.
-.PP
-Currently, the filesystems that support extended attributes include
-Btrfs, ext2, ext3, ext4, XFS, JFS, and Reiserfs.
 .SS Extended attribute namespaces
 Attribute names are null-terminated strings.
 The attribute name is always specified in the fully qualified
@@ -130,12 +127,13 @@ and access to extended user attributes is restricted to the
 owner and to users with appropriate capabilities for directories with the
 sticky bit set (see the
 .BR chmod (1)
-manual page for an explanation of Sticky Directories).
+manual page for an explanation of the sticky bit).
 .SS Filesystem differences
 The kernel and the filesystem may place limits on the maximum number
 and size of extended attributes that can be associated with a file.
 The VFS imposes limitations that an attribute names is limited to 255 bytes
-and an attribute value if limited to 64kB.
+and an attribute value if limited to 64 kB. The list of attribute names that
+can be returned is also limited to 64 kB.
 
 Some filesystems, such as Reiserfs (and, historically, ext2 and ext3),
 require the filesystem to be mounted with the
@@ -160,7 +158,7 @@ In the Btrfs filesystem implementation,
 the total bytes used for the name, value, and implementation overhead bytes
 is limited to the filesystem
 .I nodesize
-value (16kB by default).
+value (16 kB by default).
 .SH CONFORMING TO
 Extended attributes are not specified in POSIX.1, but some other systems
 (e.g., the BSDs and Solaris) provide a similar feature.