Grammar fix on the VS Code Playground template (#242)

"Make sure you run it against proper database and collection." -> "Make sure you run it against the correct database and collection."

Author: JoeKarlsson

src/templates/playgroundTemplate.ts

@@ -7,7 +7,7 @@ const template = `// MongoDB Playground
 use('mongodbVSCodePlaygroundDB');
 
 // The drop() command destroys all data from a collection.
-// Make sure you run it against proper database and collection.
+// Make sure you run it against the correct database and collection.
 db.sales.drop();
 
 // Insert a few documents into the sales collection.