diff --git a/lessons/2-Symbolic/MSConceptGraph.ipynb b/lessons/2-Symbolic/MSConceptGraph.ipynb
index a04856d3..505a2d1a 100644
--- a/lessons/2-Symbolic/MSConceptGraph.ipynb
+++ b/lessons/2-Symbolic/MSConceptGraph.ipynb
@@ -6,7 +6,7 @@
         "collapsed": true
       },
       "source": [
-        "## Microsoft Concept Graph\n",
+        "## Microsoft Concept Graph - This API IS NO LONGER AVAILABLE BUT PLEASE LOOK AT THE NOTEBOOK TO UNDERSTAND THE CONCEPT\n",
         "\n",
         "[Microsoft Concept Graph](https://concept.research.microsoft.com/) is a large taxonomy of terms mined from the internet, with `is-a` relations between concepts. \n",
         "\n",