diff --git a/wpa_supplicant/README-HS20 b/wpa_supplicant/README-HS20
index e4eed2074..a167186bc 100644
--- a/wpa_supplicant/README-HS20
+++ b/wpa_supplicant/README-HS20
@@ -197,6 +197,11 @@ Credentials can be pre-configured for automatic network selection:
 #	pre-configured with the credential since the NAI Realm information
 #	may not be available or fetched.
 #
+# required_roaming_consortium: Required Roaming Consortium OI
+#	If required_roaming_consortium_len is non-zero, this field contains the
+#	Roaming Consortium OI that is required to be advertised by the AP for
+#	the credential to be considered matching.
+#
 # eap: Pre-configured EAP method
 #	This optional field can be used to specify which EAP method will be
 #	used with this credential. If not set, the EAP method is selected
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index 05c4f8fb9..4dae36963 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -225,7 +225,18 @@ struct wpa_cred {
 	 */
 	size_t roaming_consortium_len;
 
+	/**
+	 * required_roaming_consortium - Required Roaming Consortium OI
+	 *
+	 * If required_roaming_consortium_len is non-zero, this field contains
+	 * the Roaming Consortium OI that is required to be advertised by the AP
+	 * for the credential to be considered matching.
+	 */
 	u8 required_roaming_consortium[15];
+
+	/**
+	 * required_roaming_consortium_len - Length of required_roaming_consortium
+	 */
 	size_t required_roaming_consortium_len;
 
 	/**
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 972e7e73d..38e6403f4 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -597,6 +597,11 @@ fast_reauth=1
 #	pre-configured with the credential since the NAI Realm information
 #	may not be available or fetched.
 #
+# required_roaming_consortium: Required Roaming Consortium OI
+#	If required_roaming_consortium_len is non-zero, this field contains the
+#	Roaming Consortium OI that is required to be advertised by the AP for
+#	the credential to be considered matching.
+#
 # eap: Pre-configured EAP method
 #	This optional field can be used to specify which EAP method will be
 #	used with this credential. If not set, the EAP method is selected