diff --git a/telecomm/java/android/telecom/CallScreeningService.java b/telecomm/java/android/telecom/CallScreeningService.java
index 37b4e657973b4..d1d16ff8b6413 100644
--- a/telecomm/java/android/telecom/CallScreeningService.java
+++ b/telecomm/java/android/telecom/CallScreeningService.java
@@ -495,6 +495,9 @@ public abstract class CallScreeningService extends Service {
              * Note: Calls will still be logged with type
              * {@link android.provider.CallLog.Calls#BLOCKED_TYPE}, regardless of how this property
              * is set.
+             * <p>
+             * Note: Only the carrier and system call screening apps can use this parameter;
+             * this parameter is ignored otherwise.
              */
             public Builder setSkipCallLog(boolean shouldSkipCallLog) {
                 mShouldSkipCallLog = shouldSkipCallLog;