Fix javadocs for whenBefore to fix the missing arrows

Author: NguyenAndrew

src/main/java/com/andyln/Mof.java

@@ -88,7 +88,7 @@ public void when(AllOrRemaining aor) {
      *
      * @param mock Any mock within mocks. Note: Excludes ambiguous first/last mock in a Simple Closed Curve (In case of ambiguity, use FIRST or LAST enum).
      * @throws IllegalArgumentException Calling with object not in mocks.
-     *                                  Calling with ambiguous first or last mock. Example: In a Simple Closed Curve {@code A - B - A}, when calling with A, do you mean the first or lack mock? Instead of passing A, Use FIRST or LAST instead.
+     *                                  Calling with ambiguous first or last mock. Example: In a Simple Closed Curve {@code A -> B -> A}, when calling with A, do you mean the first or lack mock? Instead of passing A, Use FIRST or LAST instead.
      */
     public void whenBefore(Object mock) {
         if (mock == FirstOrLast.FIRST) {