fix: grammar

Author: monteiro-renato

Diff for: docs/index.md

@@ -1103,7 +1103,7 @@ It is common, however, to need to perform setup and cleanup at the level of the
 
 Ginkgo supports suite-level setup and cleanup through two specialized **suite setup** nodes: `BeforeSuite` and `AfterSuite`.  These suite setup nodes **must** be called at the top-level of the suite and cannot be nested in containers.  Also there can be at most one `BeforeSuite` node and one `AfterSuite` node per suite.  It is idiomatic to place the suite setup nodes in the Ginkgo bootstrap suite file.
 
-Let's continue to build out our book tests.  Books can be stored and retrieved from an external database and we'd like to test this behavior.  To do that, we'll need to spin up a database and set up a client to access it.  We can do that `BeforeEach` spec - but doing so would be prohibitively expensive and slow.  Instead, it would be more efficient to spin up the database just once when the suite starts.  Here's how we'd do it in our `books_suite_test.go` file:
+Let's continue to build out our book tests.  Books can be stored and retrieved from an external database and we'd like to test this behavior.  To do that, we'll need to spin up a database and set up a client to access it.  We could do that in the `BeforeEach` spec - but doing so would be prohibitively expensive and slow.  Instead, it would be more efficient to spin up the database just once when the suite starts.  Here's how we'd do it in our `books_suite_test.go` file:
 
 ```go
 package books_test