[docs] fix grammatical error vercel#41507 (vercel#41508)

Closes: vercel#41507

docs/api-reference/data-fetching/get-static-props.md

@@ -147,7 +147,7 @@ Files can be read directly from the filesystem in `getStaticProps`.
 
 In order to do so you have to get the full path to a file.
 
-Since Next.js compiles your code into a separate directory you can't use `__dirname` as the path it will return will be different from the pages directory.
+Since Next.js compiles your code into a separate directory you can't use `__dirname` as the path it returns will be different from the pages directory.
 
 Instead you can use `process.cwd()` which gives you the directory where Next.js is being executed.