diff --git a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
index 7cf0c39efa0ef7d2a58866cf7b07e4477b0d6f93..803057ba2c2995b20ddad51f0708256eed2c511c 100644
--- a/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
+++ b/notebooks/AGIPD/AGIPD_Correct_and_Verify.ipynb
@@ -602,7 +602,7 @@
     "\n",
     "agipd_metadata = agipd_cal.metadata(dark_constants)\n",
     "\n",
-    "agipd_cal.gain_mode = None  # gain_mode not used of gain constants\n",
+    "agipd_cal.gain_mode = None  # gain_mode is not used for gain constants\n",
     "if any(agipd_corr.pc_bools):\n",
     "    pc_constants = [\"SlopesPC\", \"BadPixelsPC\"]\n",
     "    get_constants_and_update_metadata(\n",