diff --git a/Project.ipynb b/Project.ipynb
index 1cfd3b3..a593bfc 100644
--- a/Project.ipynb
+++ b/Project.ipynb
@@ -27,7 +27,7 @@
     "\n",
     "ax.set(xlabel='time (s)', ylabel='voltage (mV)',\n",
     "       title='The simplest plot in the world')\n",
-    "ax.grid()"
+    "ax.grid('on')"
    ]
   }
  ],