diff --git a/notebooks/ePix100/Correction_ePix100_NBC.ipynb b/notebooks/ePix100/Correction_ePix100_NBC.ipynb
index 29ae0d4c51a59ef612471c68bfb19fcdf43e519a..30d0586b3039ddd3ddbefed3c7e6da98f1b27753 100644
--- a/notebooks/ePix100/Correction_ePix100_NBC.ipynb
+++ b/notebooks/ePix100/Correction_ePix100_NBC.ipynb
@@ -629,7 +629,7 @@
     "        outp_source.create_key(\n",
     "            \"data.trainId\", data=seq_dc.train_ids, chunks=min(50, len(seq_dc.train_ids)))\n",
     "        outp_source.create_key(\n",
-    "            \"data.pulsenId\", data=list(seq_dc[instrument_src]['data.pulseId'].ndarray().squeeze()), chunks=min(50, len(seq_dc.train_ids)))\n",
+    "            \"data.pulseId\", data=list(seq_dc[instrument_src]['data.pulseId'].ndarray().squeeze()), chunks=min(50, len(seq_dc.train_ids)))\n",
     "        if pattern_classification:\n",
     "            # Add main corrected `data.image.pixels` dataset and store corrected data.\n",
     "            outp_source.create_key(\n",