Line A Small Baking Pan With Foil; Coat The Foil With Nonstick Cooking Spray. In A Small Bowl, Combine The Syrup, Soy Sauce And Garlic. Place Fillets Skin Side Down On Prepared Pan. Brush Half Of The Syrup Mixture Over Salmon. Broil 6 In. From The Heat For 7 Minutes. Brush With Remaining Syrup Mixture. Broil 6-8 Minutes Longer Or Until Fish Flakes Easily With Fork. Meanwhile, In A Small Saucepan, Bring The Broth, Mushrooms And Pepper To A Boil. Reduce Heat; Cover And Simmer 5-6 Minutes Or Until Mushrooms Are Tender. Return To A Boil. Stir In Couscous. Cover And Remove From The Heat; Let Stand For 5 Minutes. Fluff With A Fork. Serve With Salmon.