Fixed JavaDoc.

src/main/java/net/finmath/randomnumbers/AcceptanceRejectionRandomNumberGenerator.java

@@ -33,7 +33,7 @@ public class AcceptanceRejectionRandomNumberGenerator implements RandomNumberGen
 	 * @param targetDensity The density f of the target distribution F.
 	 * @param referenceDensity The density g.
 	 * @param referenceDistributionICDF The ICDF, i.e. the inverse of G where G' = g.
-	 * @param acceptanceLevel The constant C such that f <= C g.
+	 * @param acceptanceLevel The constant C such that f &le; C g.
 	 */
 	public AcceptanceRejectionRandomNumberGenerator(final RandomNumberGenerator uniformRandomNumberGenerator,
 			final DoubleUnaryOperator targetDensity,