Update skills/fabric-lakehouse/SKILL.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: tedvilutis

skills/fabric-lakehouse/SKILL.md

@@ -40,7 +40,7 @@ Lakehouse in Microsoft Fabric is an item that gives users a place to store their
 
 ### Tabular data in a Lakehouse
 
-Tabular data in a form of tables are stored under "Tables" folder. Main format for tables in Lakehouse is Delta. Lakehouse can store tabular data in other formats like CSV or Parquet, these formats only available for Spark querying.
+Tabular data in a form of tables are stored under "Tables" folder. Main format for tables in Lakehouse is Delta. Lakehouse can store tabular data in other formats like CSV or Parquet, these formats are only available for Spark querying.
 Tables can be internal, when data is stored under "Tables" folder, or external, when only reference to a table is stored under "Tables" folder but the data itself is stored in a referenced location. Tables are referenced through Shortcuts, which can be internal (pointing to another location in Fabric) or external (pointing to data stored outside of Fabric).
 
 ### Schemas for tables in a Lakehouse