Bold.

Author: taylorotwell

billing.md

@@ -97,7 +97,7 @@ If you would like to make a "one off" charge against a subscribed customer's cre
 
 	$user->charge(100);
 
-The `charge` method accepts the amount you would like to charge in the lowest denominator of the currency. So, for example, the example above will charge 100 cents, or $1.00, against the user's credit card.
+The `charge` method accepts the amount you would like to charge in the **lowest denominator of the currency**. So, for example, the example above will charge 100 cents, or $1.00, against the user's credit card.
 
 The `charge` method also accepts an array for its second argument, allowing you to pass any options you wish to the underlying Stripe charge creation: