Update website/pages/en/querying/querying-best-practices.mdx

Co-authored-by: Benoît Rouleau <[email protected]>

Author: idalithb

website/pages/en/querying/querying-best-practices.mdx

@@ -412,7 +412,7 @@ GraphQL `Fragment`s must be defined based on their usage.
 
 For most use-case, defining one fragment per type (in the case of repeated fields usage or type generation) is sufficient.
 
-Here is a rule of thumb for using Fragment:
+Here is a rule of thumb for using fragments:
 
 - When fields of the same type are repeated in a query, group them in a Fragment
 - When similar but not the same fields are repeated, create multiple fragments, ex: