Merge pull request #1470 from AxelDavid45/patch-1

Typo fixed after raw schema example

Author: kamilmysliwiec

content/techniques/mongo.md

@@ -90,7 +90,7 @@ export const CatSchema = new mongoose.Schema({
 });
 ```
 
-The `cat.schema` file resides in a folder in the `cats` directory, where we also define the `CatsModule`. While you can store schema files wherever you prefer, we recommend storing them them near their related **domain** objects, in the appropriate module directory.
+The `cat.schema` file resides in a folder in the `cats` directory, where we also define the `CatsModule`. While you can store schema files wherever you prefer, we recommend storing them near their related **domain** objects, in the appropriate module directory.
 
 Let's look at the `CatsModule`: