fix: typo “mehthod” → “method” in Pi article

Author: Username46786

knowledgebase/calculate-pi-using-sql.mdx

@@ -106,7 +106,7 @@ SELECT 22 / 7
 └───────────────────┘
 ```
 
-8. Another indirect mehthod (this one came from Alexey Milovidov) that is accurate to 7 decimal places - and it's quick:
+8. Another indirect method (this one came from Alexey Milovidov) that is accurate to 7 decimal places - and it's quick:
 
 ```sql
 WITH
@@ -125,4 +125,4 @@ FROM numbers_mt(1000000000.)
 
 :::note
 If you have any more, we'd love for you to contribute. Thanks!
-:::
+:::