diff --git a/docs/src/providers/ijulia.md b/docs/src/providers/ijulia.md
index 8b44e3e..2b3537c 100644
--- a/docs/src/providers/ijulia.md
+++ b/docs/src/providers/ijulia.md
@@ -43,7 +43,7 @@ python3 -m pip uninstall webio_jupyter_extension
 ### The `webio_jupyter_extension` is installed but not working
 
 First, check if the WebIO extension is properly installed:
-```
+```sh
 # For classic notebook
 jupyter nbextension list
 # Should include in output:
@@ -58,6 +58,17 @@ jupyter labextension list
 
 If the installation is **NOT** installed, continue reading for troubleshooting steps.
 
+#### 0: Make sure the webio-jupyter-extension is enabled
+
+```sh
+# For classic notenbook, from shell run
+jupyter nbextension enable --user webio-jupyter-notebook
+
+# Output should be 
+Enabling notebook extension webio-jupyter-notebook...
+      - Validating: OK
+```
+
 #### 1: Make sure to use same Python/Conda environment for both Jupyter and WebIO
 
 Make sure you've installed the `webio_jupyter_extension` package in the same