Fixing the initial insert query

Signed-off-by: kay <[email protected]>

Author: jon-e-pizza

source/tutorial/query-arrays.txt

@@ -26,7 +26,7 @@ populate the ``inventory`` collection, run the following in the
       { item: "mat", qty: 85, tags: ["gray"], dim_cm: [ 27.9, 35.5 ] },
       { item: "mousepad", qty: 25, tags: ["gel", "blue"], dim_cm: [ 19, 22.85 ] },
       { item: "notebook", qty: 50, tags: ["red", "blank"], dim_cm: [ 14, 21 ] },
-      { item: "paper", qty: 100, tags: "red", "blank", "A3", dim_cm: [ 14, 21 ] },
+      { item: "paper", qty: 100, tags: ["red", "blank", "A3"], dim_cm: [ 14, 21 ] },
       { item: "planner", qty: 75, tags: [ "blank", "red"], dim_cm: [ 22.85, 30 ] },
       { item: "postcard", qty: 45, tags: ["blue"], dim_cm: [ 10, 15.25 ] },
       { item: "sketchbook", qty: 80, tags: ["heavy weight", "acid-free"], dim_cm: [ 14, 21 ] },