corrected typos

Author: 68wooley

docs/20-prerequisites/10-postgres.mdx

@@ -39,7 +39,7 @@ docker run -p 5432:5432 sample-postgres-library
 ```
 The PostgreSQL server can be accessed at localhost:5432 with a username of `postgres` and a password of `postgres`.
 
-## 🦸 Option 4: Load an SQL file
+## 🦸 Option 4: Load a SQL file
 Choose this option if you just want a quick hands-on experience and you don't need to run actual migration.
 Download the file [library-schema.sql](https://github.com/mongodb-developer/relational-migrator-lab/blob/main/resource/library-schema.sql)
 and upload this file to the Relational Migrator later, at the **create a project** step. 

docs/20-prerequisites/20-mongodb.mdx

@@ -32,7 +32,7 @@ know the URI for the cluster, and have a database user with the readWriteAnyData
 ## 🦸 Option 3: Run a MongoDB container using Docker
 
 
-If you don't have an existing PostgreSQL server but have Docker installed, you can easily load a container pre-configured with 
+If you don't have an existing MongoDB server but have Docker installed, you can easily load a container pre-configured with 
 MongoDB by running the following command:
 
 ```

docs/40-desired-schema-mongodb.mdx

@@ -11,6 +11,6 @@ The following screenshot shows the MongoDB schema we will be creating in this la
 <Screenshot url="https://www.mongodb.com/products/tools/relational-migrator" src="img/40-image-001.png" alt="Screenshot of the connect modal" />
 
 A few key points:
-- Books will contain an array of authors with author id and name for fast retrieval. This is using the [Extended Reference pattern](https://www.mongodb.com/blog/post/building-with-patterns-the-extended-reference-pattern) to reference a separate collection (Authors) but having in books enough information aubout the author.
+- Books will contain an array of authors with author id and name for fast retrieval. This is using the [Extended Reference pattern](https://www.mongodb.com/blog/post/building-with-patterns-the-extended-reference-pattern) to reference a separate collection (Authors) but having in books enough information about the author.
 - Reviews are not included in the books collection as they can grow and become an [unbounded array](https://www.mongodb.com/developer/products/mongodb/schema-design-anti-pattern-massive-arrays/), an antipattern in schema design.
 - An author can have several aliases. We just store those strings in an array.

docs/50-create-project/50-create-new-project.mdx

@@ -12,7 +12,7 @@ Ensure Relational Migrator is installed and running (usually at http://127.0.0.1
 <Screenshot url="http://127.0.0.1:8278" src="img/50-image-001.png" alt="Screenshot of the connect modal" />
 
 ## Select one of the three options
-- Click **Connect database** if you are running the origin DB in the cloud, Docker or using your own hardware.
+- Click **Connect to live database** if you are running the origin DB in the cloud, Docker or using your own hardware.
 - Click **Load schema from a file** if you don't have access to a source database and just want to work with the schema (you won't have any data to import though).
 - Click **Use a sample schema** to play around with a test schema, without any data. This does not require connecting to a real DB. We won't use this one in this Lab.
 

docs/50-create-project/80-define-initial-schema.mdx

@@ -6,9 +6,9 @@ Relational Migrator gives you three options on how your MongoDB schema should be
 
 Select `Start with a recommended MongoDB schema`
 
-You are asked which of the tables should represented as a collection in MongoDB. 
+You are asked which tables should represented as a collection in MongoDB. 
 
-Select the five collections that we want as they are the main Entities in our schema.
+Select the following five collections as they are the main entities in our schema:
 
 - authors
 - books
@@ -20,6 +20,6 @@ Any tables you did not check will be embedded in other collections.
 
 <Screenshot url="https://www.mongodb.com/products/tools/relational-migrator" src="img/80-image-001.png" alt="Screenshot of the connect modal" />
 
-Select the casing you'd like for your collections. Defaults to camelCase.
+Select the casing you'd like for your collections - the default is camelCase.
 
 Click `Next`, then give your project a name.