diff --git a/notebooks/1-Intro/03-netCDF.ipynb b/notebooks/1-Intro/03-netCDF.ipynb
index 91bc7fe..73b33e8 100644
--- a/notebooks/1-Intro/03-netCDF.ipynb
+++ b/notebooks/1-Intro/03-netCDF.ipynb
@@ -97,7 +97,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Then if we want to access the values only, we can use similar commands but with the `[:]` at the end:"
+    "Then if we want to access the values only, we can use similar commands but with the `[:]` (or `[:,:]` for 2D variables) at the end:"
    ]
   },
   {
@@ -108,7 +108,7 @@
    "source": [
     "lonval = ds[\"lon\"][:];\n",
     "latval = ds[\"lat\"][:];\n",
-    "b = ds[\"bat\"][:];"
+    "b = ds[\"bat\"][:,:];"
    ]
   },
   {
@@ -161,7 +161,7 @@
     "Dataset(ncfile, \"r\") do ds\n",
     "    lonval = ds[\"lon\"][:];\n",
     "    latval = ds[\"lat\"][:];\n",
-    "    b = ds[\"bat\"][:];\n",
+    "    b = ds[\"bat\"][:,:];\n",
     "end;"
    ]
   },