best-practices: "Dos" is a simple plural (not possessive) - apostrophe removed

Author: nathan-websculpt

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

@@ -362,7 +362,7 @@ When using the types generation tool, the above query will generate a proper `De
 
 ## GraphQL Fragment Guidelines
 
-### Do's and Don'ts for Fragments
+### Dos and Don'ts for Fragments
 
 1. Fragments cannot be based on a non-applicable types (types without fields).
 2. `BigInt` cannot be used as a fragment's base because it's a **scalar** (native "plain" type).