Update IntervalExtensions.java

src/main/java/de/alpharogroup/time/interval/IntervalExtensions.java

@@ -79,6 +79,30 @@ public static boolean isBetween(final Interval timeRange, final Interval timeRan
 
 	/**
 	 * Checks if the given time range is overlapping before the given time range to check.
+	 * <p>
+	 * <br>
+	 * Here is a graphical examples where the given timeRange object is the above and the
+	 * timeRangeToCheck object is at the bottom <br>
+	 * <br>
+	 * This scenario would return <code>true</code> <br>
+	 * <br>
+	 * _______________________<br>
+	 * <br>
+	 * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|&macr;&macr;&macr;&macr;&macr;&macr;&macr;&macr;|<br>
+	 * -----------------------<br>
+	 * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|___|<br>
+	 * _______________________<br>
+	 *
+	 * <br>
+	 * This scenario would return <code>false</code> <br>
+	 * <br>
+	 * _______________________<br>
+	 * <br>
+	 * &nbsp;&nbsp;|&macr;&macr;&macr;&macr;&macr;&macr;&macr;&macr;|<br>
+	 * -----------------------<br>
+	 * &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|___|<br>
+	 * _______________________<br>
+	 *
 	 *
 	 * @param timeRange
 	 *            the time range