diff --git a/math_differential_calculus.ipynb b/math_differential_calculus.ipynb
index 01bc565..ff2f313 100644
--- a/math_differential_calculus.ipynb
+++ b/math_differential_calculus.ipynb
@@ -1759,7 +1759,7 @@
  "metadata": {
   "colab": {
    "collapsed_sections": [],
-   "name": "math_calculus",
+   "name": "math_differential_calculus",
    "provenance": [],
    "toc_visible": true
   },