diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 766e930649e91..441efb79f950f 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -407,11 +407,11 @@ public abstract class Connection extends Conferenceable {
 
     /**
      * Boolean connection extra key on a {@link Connection} which indicates that adding an
-     * additional call is disallowed when there is a video call in progress.
+     * additional call is disallowed.
      * @hide
      */
-    public static final String EXTRA_DISABLE_ADD_CALL_DURING_VIDEO_CALL =
-            "android.telecom.extra.DISABLE_ADD_CALL_DURING_VIDEO_CALL";
+    public static final String EXTRA_DISABLE_ADD_CALL =
+            "android.telecom.extra.DISABLE_ADD_CALL";
 
     /**
      * Connection event used to inform Telecom that it should play the on hold tone.  This is used
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index a5e50aa1ee5db..9603662dd3077 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -819,7 +819,9 @@ public class CarrierConfigManager {
             "allow_merge_wifi_calls_when_vowifi_off_bool";
 
     /**
-     * When true, indicates that adding a call is disabled when there is an ongoing video call.
+     * When true, indicates that adding a call is disabled when there is an ongoing video call
+     * or when there is an ongoing call on wifi which was downgraded from video and VoWifi is
+     * turned off.
      */
     public static final String KEY_ALLOW_ADD_CALL_DURING_VIDEO_CALL_BOOL =
             "allow_add_call_during_video_call";