[docs] Fix type in website/docs/maintenance (alibaba#265)

website/docs/maintenance/configuration.md

@@ -5,7 +5,7 @@ sidebar_position: 1
 
 # Configuration
 
-All configuration can be set in Fluss configuration file `conf/server.yaml`
+All configurations can be set in Fluss configuration file `conf/server.yaml`
 
 The configuration is parsed and evaluated when the Fluss processes are started. 
 Changes to the configuration file require restarting the relevant processes.

website/docs/maintenance/tiered-storage/lakehouse-storage.md

@@ -5,10 +5,10 @@ sidebar_position: 3
 # Lakehouse Storage
 
 Lakehouse represents a new, open architecture that combines the best elements of data lakes and data warehouses.
-Lakehouse combines data lake scalability and cost-effectiveness with data warehouse reliability and preformance.
+Lakehouse combines data lake scalability and cost-effectiveness with data warehouse reliability and performance.
 
 Fluss leverages the well-known Lakehouse storage solutions like Apache Paimon, Apache Iceberg, Apache Hudi, Delta Lake as
-the tiered storage layer. Currently, only Apache Paimon is supported, but more kinds of Lakehouse storage support are on the ways.
+the tiered storage layer. Currently, only Apache Paimon is supported, but more kinds of Lakehouse storage support are on the way.
 
 Fluss's datalake tiering service will compact Fluss's data to the Lakehouse storage continuously. The data in Lakehouse storage can be read both by Fluss's client in a streaming manner and accessed directly
 by external systems such as Flink, Spark, StarRocks and others. With data tiered in Lakehouse storage, Fluss