diff --git a/examples/demo_theory_functionality.ipynb b/examples/demo_theory_functionality.ipynb
index cda9a8e7c..c84f329b1 100644
--- a/examples/demo_theory_functionality.ipynb
+++ b/examples/demo_theory_functionality.ipynb
@@ -461,7 +461,7 @@
     "    verbose=True,\n",
     ")\n",
     "\n",
-    "# For CCL < 2.6, the above call will return an error, as alpha_ein cannot not be set. The call below, not specifying alpha_ein,\n",
+    "# For CCL < 2.6, the above call will return an error, as alpha_ein can not be set. The call below, not specifying alpha_ein,\n",
     "# will use the default value (for both CCL and NC backends)\n",
     "\n",
     "# rho = m.compute_3d_density(r3d, mdelta=cluster_mass, cdelta=cluster_concentration,\n",
@@ -476,7 +476,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "For CCL versions >= 2.8.1.dev73+g86125b08, the surface mass density profile can be calculated with quad_vec numerial integration in addition to the default FFTLog. This option will increase the precision of the profile at large radii and can be enabled by passing `use_projected_quad` keyword argument to `compute_surface_density`."
+    "For CCL versions >= 2.8.1.dev73+g86125b08, the surface mass density profile can be calculated with the quad_vec numerial integration in addition to the default FFTLog. This option will increase the precision of the profile at large radii and can be enabled by passing `use_projected_quad` keyword argument to `compute_surface_density`."
    ]
   },
   {
diff --git a/examples/demo_theory_functionality_oo.ipynb b/examples/demo_theory_functionality_oo.ipynb
index 290e58ae3..673a972ff 100644
--- a/examples/demo_theory_functionality_oo.ipynb
+++ b/examples/demo_theory_functionality_oo.ipynb
@@ -306,7 +306,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "For CCL versions >= 2.8.1.dev73+g86125b08, the surface mass density profile can be calculated with quad_vec numerial integration in addition to the default FFTLog. This option will increase the precision of the profile at large radii and can be enabled by calling `set_projected_quad(True)`."
+    "For CCL versions >= 2.8.1.dev73+g86125b08, the surface mass density profile can be calculated with the quad_vec numerial integration in addition to the default FFTLog. This option will increase the precision of the profile at large radii and can be enabled by calling `set_projected_quad(True)`."
    ]
   },
   {