diff --git a/ch17/ch17_optional_DCGAN.ipynb b/ch17/ch17_optional_DCGAN.ipynb
index 23e2dcb8..1dd7b7fa 100644
--- a/ch17/ch17_optional_DCGAN.ipynb
+++ b/ch17/ch17_optional_DCGAN.ipynb
@@ -15,7 +15,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Chapter 17: Generative Adversarial Networks (Optional, DCGAN)"
+    "# Chapter 17: Synthesizing New Data with Generative Adversarial Networks (Optional, DCGAN)"
    ]
   },
   {
@@ -1002,7 +1002,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.7.4"
   }
  },
  "nbformat": 4,
diff --git a/ch17/ch17_part1.ipynb b/ch17/ch17_part1.ipynb
index 8c77a639..1eb7331f 100644
--- a/ch17/ch17_part1.ipynb
+++ b/ch17/ch17_part1.ipynb
@@ -15,7 +15,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Chapter 17: Generative Adversarial Networks (Part 1/2)"
+    "# Chapter 17: Synthesizing New Data with Generative Adversarial Networks (Part 1/2)"
    ]
   },
   {
@@ -1180,7 +1180,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.7.4"
   }
  },
  "nbformat": 4,
diff --git a/ch17/ch17_part2.ipynb b/ch17/ch17_part2.ipynb
index 24835dc0..fdc2912e 100644
--- a/ch17/ch17_part2.ipynb
+++ b/ch17/ch17_part2.ipynb
@@ -15,7 +15,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Chapter 17: Generative Adversarial Networks (Part 2/2)"
+    "# Chapter 17: Synthesizing New Data with Generative Adversarial Networks (Part 2/2)"
    ]
   },
   {
@@ -1142,7 +1142,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.7.4"
   }
  },
  "nbformat": 4,