fixing typo

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: digitalghost-dev

docs/Infrastructure_Guide/aws.md

@@ -147,7 +147,7 @@ Feel free to choose any other options that could be more suitable._
 10. Under **Tags**, create a new tag if desired for resource organization.
 11. Under **Database Authentication**, choose _password authentication_.
 12. Under **Monitoring**, choose the standard version of _Database Insights_. All other options in this section can be left as default.
-13. Review the **Estimated Monthly Costs**, make any changes if necessary, they click on _create database_.
+13. Review the **Estimated Monthly Costs**, make any changes if necessary, then click on _create database_.
 
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