diff --git a/Exercises-1.ipynb b/Exercises-1.ipynb
index a04c9aa..fe1b2af 100644
--- a/Exercises-1.ipynb
+++ b/Exercises-1.ipynb
@@ -919,7 +919,7 @@
       }
     }, 
     {
-      "source": "### How many roles were avilable for actresses in the 1950s?", 
+      "source": "### How many roles were available for actresses in the 1950s?", 
       "cell_type": "markdown", 
       "metadata": {
         "collapsed": true
@@ -1038,4 +1038,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}