diff --git a/notebooks/netCDF into GemPy.ipynb b/notebooks/netCDF into GemPy.ipynb
index 395722b..8de891a 100644
--- a/notebooks/netCDF into GemPy.ipynb	
+++ b/notebooks/netCDF into GemPy.ipynb	
@@ -3204,7 +3204,7 @@
     }
    ],
    "source": [
-    "# Smooth controls how close the surface goes trough the points\n",
+    "# Smooth controls how close the surface goes through the points\n",
     "geo_model.modify_surface_points(geo_model.surface_points.df.index, smooth=1000, plot_object=p3d)"
    ]
   },