diff --git a/README.md b/README.md
index aceb3632..30c85685 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,9 @@ It's built on top of a [fork of the arduino-cli](https://github.com/typefox/ardu
 
 ## How to try (offline)
 
+### Prerequisites
+You should be able to build Theia locally. The requirements are defined [here](https://github.com/theia-ide/theia/blob/master/doc/Developing.md#prerequisites).
+
 ```
 git clone https://github.com/bcmi-labs/arduino-editor
 cd arduino-editor
@@ -41,4 +44,4 @@ and follow the steps from below.
  ![](static/download_01.gif)
  ![](static/download_02.gif)
 
-Click [here](./electron/README.md) for more details on the CI/CD, the GitHub release, and the build process in general.
\ No newline at end of file
+Click [here](./electron/README.md) for more details on the CI/CD, the GitHub release, and the build process in general.