[errorprone] Fix EscapedEntity See https://errorprone.info/bugpattern/EscapedEntity Change-Id: If89e16046b9d45ed4f1eb0c9b540a1f51560b149

diff --git a/java/com/google/gitiles/doc/html/HtmlBuilder.java b/java/com/google/gitiles/doc/html/HtmlBuilder.java
index 59604c2..4caf519 100644
--- a/java/com/google/gitiles/doc/html/HtmlBuilder.java
+++ b/java/com/google/gitiles/doc/html/HtmlBuilder.java

@@ -251,7 +251,7 @@
 
   private static final Pattern HTML_ENTITY = Pattern.compile("&[a-z]+;");
 
-  /** Append constant entity reference like {@code &nbsp;}. */
+  /** Append constant entity reference like <code>&amp;nbsp&#59;</code>. */
   public void entity(String entity) {
     checkArgument(HTML_ENTITY.matcher(entity).matches(), "invalid entity %s", entity);
     finishActiveTag();