diff --git a/mlcourse/src/A1_Boosting_Algorithms.ipynb b/mlcourse/src/A1_Boosting_Algorithms.ipynb
index 61b43fb..c63f3d2 100644
--- a/mlcourse/src/A1_Boosting_Algorithms.ipynb
+++ b/mlcourse/src/A1_Boosting_Algorithms.ipynb
@@ -34,7 +34,7 @@
     },
     {
       "cell_type": "code",
-      "execution_count": 1,
+      "execution_count": null,
       "metadata": {
         "colab": {
           "base_uri": "https://localhost:8080/"
@@ -94,7 +94,7 @@
       "metadata": {
         "id": "9hJ9XhNbKjz_"
       },
-      "execution_count": 2,
+      "execution_count": null,
       "outputs": []
     },
     {
@@ -114,7 +114,7 @@
         "\n",
         "- **target_sales_manager**: A target metric related to the sales manager's goals.\n",
         "\n",
-        "- **departamento**: Department where the sales manager operates.\n",
+        "- **departament**: Department where the sales manager operates.\n",
         "\n",
         "- **studies**: Educational qualifications of the sales manager, potentially impacting their effectiveness.\n",
         "\n",
@@ -178,7 +178,7 @@
         "id": "VrHbvv6FKsbU",
         "outputId": "fe001f07-002e-42b7-ec6c-ce7289ec8f97"
       },
-      "execution_count": 3,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "stream",
@@ -705,7 +705,7 @@
         "id": "amfKR4TyKxMM",
         "outputId": "feaefded-5b6f-43c1-e7a5-6b9dc9822e67"
       },
-      "execution_count": 4,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "display_data",
@@ -1298,7 +1298,7 @@
         "id": "y0WdMIf1K4z9",
         "outputId": "80b3ca84-3dae-4da1-908f-81c6bb00c12f"
       },
-      "execution_count": 5,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "execute_result",
@@ -1357,7 +1357,7 @@
         "id": "iH6CZAoUK8DZ",
         "outputId": "5c175cf9-d3df-448c-cf0d-0d7405b047ef"
       },
-      "execution_count": 6,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "execute_result",
@@ -1387,7 +1387,7 @@
         "id": "E7nLAJD3K8kY",
         "outputId": "dc92e595-fb61-41d6-e62f-73a164e9411b"
       },
-      "execution_count": 7,
+      "execution_count": null,
       "outputs": [
         {
           "output_type": "display_data",
@@ -1414,7 +1414,7 @@
       "metadata": {
         "id": "ZOs3nw-NK_pX"
       },
-      "execution_count": 8,
+      "execution_count": null,
       "outputs": []
     },
     {