Fixed typo #224

YYModel/NSObject+YYModel.m

@@ -1294,7 +1294,7 @@ static NSMutableString *ModelDescriptionAddIndent(NSMutableString *desc, NSUInte
     return desc;
 }
 
-/// Generaate a description string
+/// Generate a description string
 static NSString *ModelDescription(NSObject *model) {
     static const int kDescMaxLength = 100;
     if (!model) return @"<nil>";