diff --git a/man/man3/fi_mr.3 b/man/man3/fi_mr.3
index 2e59b3bf4b4..4ad83409cc9 100644
--- a/man/man3/fi_mr.3
+++ b/man/man3/fi_mr.3
@@ -1,6 +1,6 @@
 .\" Automatically generated by Pandoc 2.5
 .\"
-.TH "fi_mr" "3" "2021\-03\-23" "Libfabric Programmer\[cq]s Manual" "#VERSION#"
+.TH "fi_mr" "3" "2021\-04\-14" "Libfabric Programmer\[cq]s Manual" "#VERSION#"
 .hy
 .SH NAME
 .PP
@@ -705,6 +705,13 @@ This flag indicates that the underlying memory region is backed by
 persistent memory and will be used in RMA operations.
 It must be specified if persistent completion semantics or persistent
 data transfers are required when accessing the registered region.
+.TP
+.B \f[I]FI_HMEM_DEVICE_ONLY\f[R]
+This flag indicates that the memory is only accessible by a device.
+Which device is specified by the fi_mr_attr fields iface and device.
+This refers to memory regions that were allocated using a device API
+AllocDevice call (as opposed to using the host allocation or
+unified/shared memory allocation).
 .SH MEMORY DOMAINS
 .PP
 Memory domains identify the physical separation of memory which may or