Merge pull request #3590 from meilisearch/fix-attribute-limit

Correct limitation on number of attributes

Author: qdequele

resources/help/known_limitations.mdx

@@ -55,9 +55,9 @@ If your query is `Hello - World`:
 `-` takes 1 position as it is a soft separator. You can read more about word separators in our [article about data types](/resources/internals/datatypes#string).
 </Note>
 
-## Maximum number of attributes per document
+## Maximum number of attributes per index
 
-**Limitation:** Meilisearch can index a maximum of **65,536 attributes per document**. If a document contains more than 65,536 attributes, an error will be thrown.
+**Limitation:** Meilisearch can index a maximum of **65,536 attributes per index**. If an index contains more than 65,536 attributes, an error will be thrown.
 
 **Explanation:** This limit is enforced for performance and storage reasons. Overly large internal data structures—resulting from documents with too many fields—lead to overly large databases on disk, and slower search performance.