ReviewersByBlame: Fix incorrect @param Javadoc tag

The parameter is named 'parent', not 'commit'.

Change-Id: I07d0cf65038ba172afeaafca03eb952aa3f74454
diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlame.java b/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlame.java
index 3daf725..5f8ebef 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlame.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewersbyblame/ReviewersByBlame.java
@@ -208,7 +208,7 @@
    * that edited this specific part of the code.
    *
    * @param entry {@link PatchListEntry}
-   * @param commit Parent {@link RevCommit}
+   * @param parent Parent {@link RevCommit}
    * @return Result of blame computation, null if the computation fails
    */
   private BlameResult computeBlame(final PatchListEntry entry,