diff --git a/man/man7/fi_rxm.7 b/man/man7/fi_rxm.7
index 0f97754b937..037fc74d926 100644
--- a/man/man7/fi_rxm.7
+++ b/man/man7/fi_rxm.7
@@ -1,6 +1,6 @@
 .\" Automatically generated by Pandoc 2.9.2.1
 .\"
-.TH "fi_rxm" "7" "2024\-01\-08" "Libfabric Programmer\[cq]s Manual" "#VERSION#"
+.TH "fi_rxm" "7" "2024\-03\-13" "Libfabric Programmer\[cq]s Manual" "#VERSION#"
 .hy
 .SH NAME
 .PP
@@ -184,6 +184,14 @@ but may increase connection setup time (default: 10000)
 Defines the maximum number of message provider CQ entries that can be
 consecutively read across progress calls without checking to see if the
 CM progress interval has been reached (default: 128)
+.TP
+\f[I]FI_OFI_RXM_DETECT_HMEM_IFACE\f[R]
+Set this to 1 to allow automatic detection of HMEM iface of user buffers
+when such information is not supplied.
+This feature allows such buffers be copied or registered (e.g.\ in
+Rendezvous) internally by RxM.
+Note that no extra memory registration is performed with this option.
+(default: false)
 .SH Tuning
 .SS Bandwidth
 .PP