fix sentence casing

apps/docs/content/guides/database/sharding-partitioning.mdx

@@ -40,7 +40,7 @@ To set up sharding and partitioning, you can partition your tables and store eac
    SERVER shard2 OPTIONS (table_name 'sales_2000_02');
    ```
 
-## Moving partitions Between Shards
+## Moving partitions between shards
 
 To move a partition from one shard to another, you can use the following steps:
 
@@ -79,7 +79,7 @@ FROM sales
 WHERE order_date >= '2000-01-01' AND order_date < '2000-03-01';
 ```
 
-### Querying specific Partitions
+### Querying specific partitions
 
 If you only need to retrieve data from a specific partition, you can directly query that partition.
 

apps/docs/content/guides/database/sharding.mdx

@@ -65,7 +65,7 @@ For each project, you will need to:
 
 The steps outlined below are for `shard01` and would be repeated on each shard, replacing the shard names.
 
-### Example - shard01
+### Example
 
 1. **Install the `postgres_fdw` extension**:
 
@@ -115,7 +115,7 @@ The steps outlined below are for `shard01` and would be repeated on each shard,
 
 By following these steps, you can distribute your data across multiple Postgres databases and query them as if they were a single database, improving performance and scalability.
 
-## Use cases for sharding
+## Use cases
 
 Sharding can be particularly useful in the following scenarios: