diff --git a/tutorials/watpy_CoReDB.ipynb b/tutorials/watpy_CoReDB.ipynb
index f74a9f82f8f36c020f47e3832c370df8eaef1545..5663f358b8bc94c809957f731cde481544ad04f9 100644
--- a/tutorials/watpy_CoReDB.ipynb
+++ b/tutorials/watpy_CoReDB.ipynb
@@ -1652,7 +1652,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 24,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1699,7 +1699,7 @@
     "thcsim['q'] = 1.0 # mass ratio, >= 1\n",
     "thcsim['f0_Hz'] = 565.08 # initial GW frequency in Hz\n",
     "thcsim['f0'] = thcsim['f0_Hz'] * Msun_sec\n",
-    "thcsim['Momg22'] = thcsim['mass'] * thcsim['f0'] / (2*np.pi) # initial GW frequency in geom. units\n",
+    "thcsim['Momg22'] = thcsim['mass'] * thcsim['f0'] * (2*np.pi) # initial GW frequency in geom. units\n",
     "\n",
     "thcsim['folder'] = './TestData/MySim_THC_135135' # simulation folder\n",
     "thcsim['pre-release-folder'] = simname_long # folder with CoRe formatted files"