diff --git a/docs/architecture/tech-stack.md b/docs/architecture/tech-stack.md
index 2820e078abcbfc..43cb81c99c899d 100644
--- a/docs/architecture/tech-stack.md
+++ b/docs/architecture/tech-stack.md
@@ -1,12 +1,18 @@
 # Technical Stack
 
-## Backend
+## Airbyte Core Backend
 
 * Java 14
 * Framework: [Jersey](https://eclipse-ee4j.github.io/jersey/)
 * API: [OAS3](https://www.openapis.org/)
 * Databases: [PostgreSQL](https://www.postgresql.org/)
 * Unit & E2E testing: [JUnit 5](https://junit.org/junit5)
+* Orchestration: [Temporal](https://temporal.io)
+
+## Connectors
+Connectors can be written in any language. However the most common languages are: 
+* Python 3.7.9
+* Java 14
 
 ## **Frontend**
 
@@ -20,4 +26,3 @@
 * Containerization: [Docker](https://www.docker.com/) and [Docker Compose](https://docs.docker.com/compose/)
 * Linter \(Frontend\): [Prettier](https://prettier.io/)
 * Formatter \(Backend\): [Spotless](https://github.com/diffplug/spotless)
-
diff --git a/docs/tutorials/building-a-python-source.md b/docs/tutorials/building-a-python-source.md
index 5491b8c8f85a2d..08344ca0f5ae3f 100644
--- a/docs/tutorials/building-a-python-source.md
+++ b/docs/tutorials/building-a-python-source.md
@@ -9,7 +9,7 @@ This article provides a checklist for how to create a python source. Each step i
 Docker, Python, and Java with the versions listed in the [tech stack section](../architecture/tech-stack.md).
 
 {% hint style="info" %}
-All the commands below assume that `python` points to a version of python 3. On some systems, `python` points to a Python2 installation and `python3` points to Python3. If this is the case on your machine, substitute all `python` commands in this guide with `python3` . Otherwise, make sure to install Python 3 before beginning.
+All the commands below assume that `python` points to a version of python >3.7. On some systems, `python` points to a Python2 installation and `python3` points to Python3. If this is the case on your machine, substitute all `python` commands in this guide with `python3` . Otherwise, make sure to install Python 3 before beginning.
 {% endhint %}
 
 ## Checklist
diff --git a/docs/tutorials/toy-connector.md b/docs/tutorials/toy-connector.md
index 01a96fc7a6ee5e..cb04aa7c92c7bc 100644
--- a/docs/tutorials/toy-connector.md
+++ b/docs/tutorials/toy-connector.md
@@ -24,7 +24,7 @@ To run this tutorial, you'll need:
 * Docker, Python, and Java with the versions listed in the [tech stack section](../architecture/tech-stack.md).
 * The `requests` Python package installed via `pip install requests` \(or `pip3` if `pip` is linked to a Python2 installation on your system\)
 
-**A note on running Python**: all the commands below assume that `python` points to a version of python 3. Verify this by running
+**A note on running Python**: all the commands below assume that `python` points to a version of python 3.7. Verify this by running
 
 ```bash
 $ python --version