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diff --git a/lustre/doc/llapi_quotactl.3 b/lustre/doc/llapi_quotactl.3
index 4866c72..f2a467f 100644
--- a/lustre/doc/llapi_quotactl.3
+++ b/lustre/doc/llapi_quotactl.3
@@ -3,10 +3,7 @@
 llapi_quotactl \- manipulate disk quotas on a Lustre filesystem
 .SH SYNOPSIS
 .nf
-.B #include <liblustre.h>
-.B #include <lustre/lustre_idl.h>
-.B #include <lustre/liblustreapi.h>
-.B #include <lustre/lustre_user.h>
+.B #include <lustre/lustreapi.h>
 .sp
 .BI "int llapi_quotactl(char" " *mnt," " struct if_quotactl" " *qctl)
 .sp
@@ -64,17 +61,20 @@ or
 .IR qc_id .
 .TP 15
 .SB LUSTRE_Q_QUOTAON
-Turn on quotas for a Lustre filesystem.
+Turn on quotas for a Lustre filesystem. Deprecated as of 2.4.0.
 .I qc_type
 is USRQUOTA, GRPQUOTA or UGQUOTA (both user and group quotas).
 The quota files must exist; they are normally created with the
 .BR llapi_quotacheck (3)
-call.  This call is restricted to the super-user.
+call.
+
+This call is restricted to the super-user.
 .TP
 .SB LUSTRE_Q_QUOTAOFF
-Turn off quotas for a Lustre filesystem.
+Turn off quotas for a Lustre filesystem. Deprecated as of 2.4.0.
 .I qc_type
 is USRQUOTA, GRPQUOTA or UGQUOTA (both user and group quotas).
+
 This call is restricted to the super-user.
 .TP
 .SB LUSTRE_Q_GETQUOTA
@@ -92,6 +92,11 @@ is an empty string and
 is zero then clusterwide limits and usage are returned. On return
 .I obd_dqblk
 contains the requested information (block limits unit is kilobyte).
+.I dqb_btime
+and
+.I dqb_itime
+are block and inode softlimit grace period expiration timestamps for the requested user or group.
+
 Quotas must be turned on before using this command.
 .TP
 .SB LUSTRE_Q_SETQUOTA
@@ -105,6 +110,7 @@ must be set to QIF_ILIMITS, QIF_BLIMITS or QIF_LIMITS (both inode limits and blo
 must be filled with limits values (as set in
 .I dqb_valid 
 , block limits unit is kilobyte).
+
 Quotas must be turned on before using this command.
 .TP
 .SB LUSTRE_Q_GETINFO
@@ -112,9 +118,9 @@ Get information about quotas.
 .I qc_type
 is either USRQUOTA or GRPQUOTA. On return
 .I dqi_igrace
-is inode grace time (in seconds),
+is the default inode grace period duration for all users or all groups (in seconds),
 .I dqi_bgrace
-is block grace time (in seconds),
+is the default block grace period duration for all users or all groups (in seconds),
 .I dqi_flags
 is not used by the current Lustre version.
 .TP
@@ -177,4 +183,4 @@ Quotas have not been turned on for this filesystem.
 .SH "SEE ALSO"
 .BR lfs (1),
 .BR lustre (7),
-.BR liblustreapi (7)
+.BR lustreapi (7)