typo fix (#21)

Author: jordan-smith721

source/fundamentals/query-data.txt

@@ -22,7 +22,7 @@ Overview
 
 {+framework-core+} allows you to work with data in your application without
 explicitly running database commands. To query your data, use the
-Langage-Integrated Query (LINQ) syntax. LINQ allows you to write strongly typed
+Language-Integrated Query (LINQ) syntax. LINQ allows you to write strongly typed
 queries using C#-specific keywords and operators. When you run the application,
 the {+provider-long+} automatically translates the LINQ queries and runs them on the
 database using the MongoDB Query API.