RawMailParser: Fix malformed Javadoc

Change-Id: I838c0c64625ba5136d1a69644879ed8d0f76c6b5
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/mail/receive/RawMailParser.java b/gerrit-server/src/main/java/com/google/gerrit/server/mail/receive/RawMailParser.java
index 9c0c4b7..ea45212 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/mail/receive/RawMailParser.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/mail/receive/RawMailParser.java
@@ -140,8 +140,8 @@
    * Traverses a mime tree and parses out text and html parts. All other parts will be dropped.
    *
    * @param part {@code MimePart} to parse
-   * @param textBuilder {@link StringBuilder) to append all plaintext parts
-   * @param htmlBuilder {@link StringBuilder) to append all html parts
+   * @param textBuilder {@link StringBuilder} to append all plaintext parts
+   * @param htmlBuilder {@link StringBuilder} to append all html parts
    * @throws IOException in case of a failure while transforming the input to a {@link String}
    */
   private static void handleMimePart(