diff --git a/README.md b/README.md
index 4bb0683d8c696eb906988d5fcefeb00e0ce56089..b27d841740efe33285fec43763d78e4b523d654b 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,7 @@ Ejercicio paras la clase 4 de interacción con los repos
 ## repo de eduardo escalante
 
 ## Este cambio es desde el CLONE!
+
+## Este cambio es el segundo desde el CLONE!
+
+
diff --git a/test-notebook-clase-4.ipynb b/test-notebook-clase-4.ipynb
index c2a7df76651996229755cd9abfbbd9fd3c735a0d..ff4c5256a61784eceadbe8851ff8adbb080d102a 100644
--- a/test-notebook-clase-4.ipynb
+++ b/test-notebook-clase-4.ipynb
@@ -36,6 +36,26 @@
    "source": [
     "print(\"De pinga\")"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "4"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "2 + 2"
+   ]
   }
  ],
  "metadata": {