Fix typo browesr -> browser

Just saw this reading through the manual.

pollen/scribblings/quick.scrbl

@@ -204,7 +204,7 @@ Now you can insert the variable into the HTML, this time using the special ◊ c
 </body>
 }]
 
-In your web browesr, reload @link["http://localhost:8080/margin.html"]{@filepath{margin.html}}. You'll see that the size of the margin has changed (because of the change to the @code{style} attribute) and so has the text of the HTML. If you like, try editing @code{my-inset} with different values and reloading the page. You can also try using @racket[define] to create another variable (for instance, to change the color of the box border).
+In your web browser, reload @link["http://localhost:8080/margin.html"]{@filepath{margin.html}}. You'll see that the size of the margin has changed (because of the change to the @code{style} attribute) and so has the text of the HTML. If you like, try editing @code{my-inset} with different values and reloading the page. You can also try using @racket[define] to create another variable (for instance, to change the color of the box border).
 
 Still, this is the tiniest tip of the iceberg. The Pollen preprocessor gives you access to everything in the Racket programming language — including string manipulation, math functions, and so on.
 
@@ -394,4 +394,4 @@ Now you've seen the key features of Pollen. What do you think?
 
 But don't take my word for it. The rest of this documentation will show you the useful and sophisticated things you can do with Pollen. If there's another tool that suits you better, great. Keep in mind that I didn't make Pollen because I'm a programmer. I'm a writer who wants to make electronic books that are better than the ones we have now. And for that, I needed a better tool.
 
-Now I have it.
+Now I have it.