diff --git a/01-data-model/data-model.ipynb b/01-data-model/data-model.ipynb
index a9cdadb..fed2440 100644
--- a/01-data-model/data-model.ipynb
+++ b/01-data-model/data-model.ipynb
@@ -6,7 +6,7 @@
    "source": [
     "# Chapter 1 — The Python Data Model\n",
     "\n",
-    "**Sections code snippets in this chapter:**\n",
+    "**Sections with code snippets in this chapter:**\n",
     "\n",
     "* [A Pythonic Card Deck](#A-Pythonic-Card-Deck)\n",
     "* [Emulating Numeric Types](#Emulating-Numeric-Types)"
diff --git a/02-array-seq/array-seq.ipynb b/02-array-seq/array-seq.ipynb
index f8782fe..352194f 100644
--- a/02-array-seq/array-seq.ipynb
+++ b/02-array-seq/array-seq.ipynb
@@ -6,7 +6,7 @@
    "source": [
     "# Chapter 2 — An Array of Sequences\n",
     "\n",
-    "**Sections code snippets in this chapter:**\n",
+    "**Sections with code snippets in this chapter:**\n",
     "\n",
     "* [List Comprehensions and Generator Expressions](#List-Comprehensions-and-Generator-Expressions)\n",
     "* [Slicing](#Slicing)\n",