docs: fix typo (#33137)

Fix typo

Author: aleksanderantropov

docs/docs/tutorial/part-7/index.mdx

@@ -340,7 +340,7 @@ For more information, see the [`gatsby-plugin-image` Reference Guide](/docs/refe
 
 ### Task: Add hero image using `GatsbyImage` component
 
-Once you have your GraphQL query set up, you can to add it to your blog post page template.
+Once you have your GraphQL query set up, you can add it to your blog post page template.
 
 1. Replace your existing page query with the query you built in GraphiQL that includes the hero image frontmatter fields.
     ```js:title=src/pages/blog/{mdx.slug}.js