Recipe Clarification?!

Recipe Clarification?

This might sound stupid but i'm a beginner in cooking, and i am confused on this measurement.The recipe says 1- 1/2 teaspoons celery seed. does that mean 1 and a half or just a half ...i want to say 1 and a half bc why would the 1 be there..but when i look at it i doubt myself bc it has on this specific recipe a bunch of 1's before and the way its separated i guess. i know im prolly totally looking at it too hard and thats why i confused myself

here is the website with the recipe.

http://recipes.tasteofhome.com/erms/recp...

that happens sometimes. don't feel stupid about it. i ask that all the time. and to clarify that for you it say one and a half.