diff --git a/notebooks/05_Non-linearities_and_regularisation.ipynb b/notebooks/05_Non-linearities_and_regularisation.ipynb
index c75ed74..727544e 100644
--- a/notebooks/05_Non-linearities_and_regularisation.ipynb
+++ b/notebooks/05_Non-linearities_and_regularisation.ipynb
@@ -453,7 +453,7 @@
     "\n",
     "  * no regularisation\n",
     "  * an L1 penalty with coefficient $10^{-5}$ on the all of the weight matrix parameters\n",
-    "  * an L1 penalty with coefficient $10^{-3}$on the all of the weight matrix parameters\n",
+    "  * an L1 penalty with coefficient $10^{-3}$ on the all of the weight matrix parameters\n",
     "  * an L2 penalty with coefficient $10^{-4}$ on the all of the weight matrix parameters\n",
     "  * an L2 penalty with coefficient $10^{-2}$ on the all of the weight matrix parameters\n",
     "  \n",