diff --git a/doc/source/derivs/derivs.ipynb b/doc/source/derivs/derivs.ipynb
index e44f3d3b21d80c7eaadbc238f7e8de3ba12404ba..c621e71dd5e10dbadb7d9705ab86375542a39462 100644
--- a/doc/source/derivs/derivs.ipynb
+++ b/doc/source/derivs/derivs.ipynb
@@ -269,7 +269,7 @@
     }
    ],
    "source": [
-    "model.get_dmBnvirdTm(2, 3, 300, z) # third temperature derivative of the "
+    "model.get_dmBnvirdTm(2, 3, 300, z) # third temperature derivative of the second virial coefficient"
    ]
   }
  ],