refine Observable ext. description in docs (#140)

Author: RandomFractals

README.md

@@ -218,7 +218,7 @@ Recommended extensions for working with Interactive Notebooks 📚, data 🈸, c
 | [Vega Viewer 📈](https://marketplace.visualstudio.com/items?itemName=RandomFractalsInc.vscode-vega-viewer) | Provides Interactive Preview of Vega & Vega-Lite maps 🗺️ & graphs 📈 |
 | [Leaflet 🍃 Map 🗺️](https://marketplace.visualstudio.com/items?itemName=RandomFractalsInc.vscode-leaflet) | Leaflet 🍃 Map 🗺️ for Notebook 📓 cell ⌗ data outputs |
 | [JS Notebook 📓 Inspector 🕵️](https://github.com/RandomFractals/js-notebook-inspector) | Provides Interactive Preview of [Observable JS Notebooks](https://observablehq.com/documentation#notebook-fundamentals) 📚, Notebook 📓 nodes ⎇ & cells ⌗ source code |
-| [Observable JS](https://marketplace.visualstudio.com/items?itemName=GordonSmith.observable-js) | Observable JS compiler with [Observable](https://observablehq.com/@observablehq/observable-for-jupyter-users?collection=@observablehq/observable-for-jupyter-users) `js` and `md` code outline and previews |
+| [Observable JS](https://marketplace.visualstudio.com/items?itemName=GordonSmith.observable-js) | Observable Notebooks 📚 Interpreter with VSCode Notebook view support, [Observable](https://observablehq.com/@observablehq/observable-for-jupyter-users?collection=@observablehq/observable-for-jupyter-users) `js` and `md` code outlines and previews |
 | [DeltaXML XPath Notebook](https://marketplace.visualstudio.com/items?itemName=deltaxml.xpath-notebook) | XPath 3.1 Notebook 📓 for Visual Studio Code |
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