Update meilisearch/index.py

Co-authored-by: Samuel Jimenez <[email protected]>

Author: curquiza

meilisearch/index.py

@@ -79,7 +79,7 @@ def fetch_info(self):
         return self
 
     def get_primary_key(self):
-        """Get the primary key.
+        """Fetch the primary key of the Index.
 
         Returns
         -------