Merge pull request #4474 from ClickHouse/Blargian-patch-947792

Fix indent in codeblock

Author: Blargian

docs/best-practices/partitioning_keys.mdx

@@ -23,10 +23,10 @@ For example, consider the following UK price paid dataset table with a partition
 ```sql
 CREATE TABLE uk.uk_price_paid_simple_partitioned
 (
-    date Date,
- town LowCardinality(String),
- street LowCardinality(String),
- price UInt32
+  date Date,
+  town LowCardinality(String),
+  street LowCardinality(String),
+  price UInt32
 )
 ENGINE = MergeTree
 ORDER BY (town, street)