diff --git a/doc/jitter/jitter.ipynb b/doc/jitter/jitter.ipynb
index 020114374..adab4c5bc 100644
--- a/doc/jitter/jitter.ipynb
+++ b/doc/jitter/jitter.ipynb
@@ -129,7 +129,7 @@
    "source": [
     "For now, our emulator is an empty box. It has:\n",
     "\n",
-    "* registers, reachable from the `.cpu` attribute. These are initiallized to 0.\n",
+    "* registers, reachable from the `.cpu` attribute. These are initialized to 0.\n",
     "* a virtual memory, reachable from the `.vm` attribute. It starts empty."
    ]
   },