diff --git a/examples/notebooks/Model_Sounding_Data.ipynb b/examples/notebooks/Model_Sounding_Data.ipynb
index 6c9f124..4b9f081 100644
--- a/examples/notebooks/Model_Sounding_Data.ipynb
+++ b/examples/notebooks/Model_Sounding_Data.ipynb
@@ -248,7 +248,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### 2) metpy calculated assuming spec. humidity = vapor pressure"
+    "### 2) metpy calculated assuming spec. humidity = mixing ratio"
    ]
   },
   {