diff --git a/core/java/android/text/Html.java b/core/java/android/text/Html.java
index a55a08cc73e22..dc1d6f6229c18 100644
--- a/core/java/android/text/Html.java
+++ b/core/java/android/text/Html.java
@@ -137,7 +137,12 @@ public class Html {
     }
 
     /**
-     * Returns an HTML representation of the provided Spanned text.
+     * Returns an HTML representation of the provided Spanned text. A best effort is
+     * made to add HTML tags corresponding to spans. Also note that HTML metacharacters
+     * (such as "<" and "&") within the input text are escaped.
+     *
+     * @param text input text to convert
+     * @return string containing input converted to HTML
      */
     public static String toHtml(Spanned text) {
         StringBuilder out = new StringBuilder();