Fix numbering

databases/mongo-db.md

@@ -93,7 +93,7 @@ If no Homebrew-related text appears, you'll need to install Homebrew. Go to the
 1. Read through these mongodb docs from TutorialsPoint.  You don't have to memorize it, but think about how MongoDB compares to SQL as you read.
   - [Start here](https://www.tutorialspoint.com/mongodb/mongodb_data_modeling.htm) and read until the Deployment section.
   - [Start here](https://www.tutorialspoint.com/mongodb/mongodb_relationships.htm) and read until the Regex section.
-1. Follow [this video tutorial](https://youtu.be/4yqu8YF29cU) for building a full Mongo project on your machine with an mLab online mongo database. This will take at least 2 hours, so settle in! If you don't feel confident that you understand the parts of the project he is going over, stop the video and look up more examples.
+2. Follow [this video tutorial](https://youtu.be/4yqu8YF29cU) for building a full Mongo project on your machine with an mLab online mongo database. This will take at least 2 hours, so settle in! If you don't feel confident that you understand the parts of the project he is going over, stop the video and look up more examples.
 
 ### Challenge