diff --git a/.gitignore b/.gitignore
index 47ed773..bfad8c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,8 @@ ch05/01_main-chapter-code/the-verdict.txt
 ch06/01_main-chapter-code/loss-plot.pdf
 ch06/01_main-chapter-code/accuracy-plot.pdf
 
+ch07/01_main-chapter-code/loss-plot.pdf
+
 # Checkpoint files
 appendix-A/01_main-chapter-code/model.pth
 appendix-E/01_main-chapter-code/gpt2
@@ -30,6 +32,8 @@ ch06/01_main-chapter-code/gpt2
 ch06/02_bonus_additional-experiments/gpt2
 ch06/03_bonus_imdb-classification/gpt2
 
+ch07/01_main-chapter-code/gpt2-medium355M-sft.pth
+
 # Datasets
 appendix-E/01_main-chapter-code/sms_spam_collection.zip
 appendix-E/01_main-chapter-code/sms_spam_collection
diff --git a/ch07/01_main-chapter-code/ch07.ipynb b/ch07/01_main-chapter-code/ch07.ipynb
index 59917ed..65acf60 100644
--- a/ch07/01_main-chapter-code/ch07.ipynb
+++ b/ch07/01_main-chapter-code/ch07.ipynb
@@ -1283,7 +1283,7 @@
    },
    "outputs": [],
    "source": [
-    "def extract_response(response_text):\n",
+    "def extract_response(response):\n",
     "    return response[response.find(\"\\n### Response\")+len(\"\\n### Response:\")+1:]"
    ]
   },