diff --git a/core/java/android/view/contentcapture/ContentCaptureCondition.java b/core/java/android/view/contentcapture/ContentCaptureCondition.java
index 6f9d4d30909f7..54ebf55a0063b 100644
--- a/core/java/android/view/contentcapture/ContentCaptureCondition.java
+++ b/core/java/android/view/contentcapture/ContentCaptureCondition.java
@@ -35,7 +35,8 @@ import java.lang.annotation.RetentionPolicy;
 public final class ContentCaptureCondition implements Parcelable {
 
     /**
-     * When set, package should use the {@link LocusId#getId()} as a regular expression.
+     * When set, package should use the {@link LocusId#getId()} as a regular expression (using the
+     * {@link java.util.regex.Pattern} format).
      */
     public static final int FLAG_IS_REGEX = 0x2;