diff --git a/book/cap05-construir_pipelines/sec5-1-prefect.md b/book/cap05-construir_pipelines/sec5-1-prefect.md
index d586cf7..4649c82 100644
--- a/book/cap05-construir_pipelines/sec5-1-prefect.md
+++ b/book/cap05-construir_pipelines/sec5-1-prefect.md
@@ -9,7 +9,7 @@ Para instalar o Prefect, digite:
 pip install prefect
 ```
 
- Se estiver usando o Poetry, então digite:
+Se estiver usando o Poetry, então digite:
 
 ```bash
 poetry add prefect
diff --git a/book/cap06-acompanhamento_de_experimentos/sec6-1-hydra.ipynb b/book/cap06-acompanhamento_de_experimentos/sec6-1-hydra.ipynb
index e9cb155..8aad207 100644
--- a/book/cap06-acompanhamento_de_experimentos/sec6-1-hydra.ipynb
+++ b/book/cap06-acompanhamento_de_experimentos/sec6-1-hydra.ipynb
@@ -42,6 +42,12 @@
     "pip install hydra-core\n",
     "```\n",
     "\n",
+    "Se estiver usando o Poetry, então digite:\n",
+    "\n",
+    "```bash\n",
+    "poetry add hydra-core\n",
+    "```\n",
+    "\n",
     "O vídeo abaixo mostra alguns recursos simples do Hydra. "
    ]
   },
@@ -83,7 +89,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Imagine que seu arquivo de configuração YAML tenha esta aparência:\n",
+    "Imagine que seu arquivo de configuração YAML seja assim:\n",
     "\n",
     "```yaml\n",
     "process:\n",
@@ -190,9 +196,11 @@
     "```bash\n",
     "python print_config.py\n",
     "```\n",
-    "deve imprimir:\n",
+    "\n",
+    "Deve imprimir:\n",
+    "\n",
     "```yaml\n",
-    "# From process_2.yaml\n",
+    "# Do process_2.yaml\n",
     "process:\n",
     "  keep_columns:\n",
     "  - Income\n",
@@ -216,7 +224,7 @@
     "    Single: 1\n",
     "    Alone: 1\n",
     "\n",
-    "# From main.yaml\n",
+    "# Do main.yaml\n",
     "raw_data:\n",
     "  path: data/raw/marketing_campaign.csv\n",
     "intermediate:\n",
@@ -234,7 +242,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "### Override Default Parameters"
+    "### Sobrescrever Parâmetros Padrão"
    ]
   },
   {
@@ -276,8 +284,9 @@
     "```\n",
     "\n",
     "A saída deve ser a combinação de todos os parâmetros em `main.yaml` e em `process_1.yaml`:\n",
+    "\n",
     "```yaml\n",
-    "# From process_1.yaml\n",
+    "# Do process_1.yaml\n",
     "process:\n",
     "  keep_columns:\n",
     "  - Income\n",
@@ -307,7 +316,7 @@
     "    Single: 1\n",
     "    Alone: 1\n",
     "    \n",
-    "# From main.yaml\n",
+    "# Do main.yaml\n",
     "raw_data:\n",
     "  path: data/raw/marketing_campaign.csv\n",
     "intermediate:\n",
@@ -323,11 +332,8 @@
   }
  ],
  "metadata": {
-  "interpreter": {
-   "hash": "8c54d2834715e8a6c3cbcb2e88b17b59e88807a53e51ef254c41b68a43495275"
-  },
   "kernelspec": {
-   "display_name": "Python 3.10.0 64-bit",
+   "display_name": "Python 3.10.6 ('.venv': poetry)",
    "language": "python",
    "name": "python3"
   },
@@ -341,9 +347,14 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.0"
+   "version": "3.10.6"
   },
-  "orig_nbformat": 4
+  "orig_nbformat": 4,
+  "vscode": {
+   "interpreter": {
+    "hash": "b5d12cacdae8bf27b92aca53fcdeec9175c7217f9318b9cadc388edf86eb2e83"
+   }
+  }
  },
  "nbformat": 4,
  "nbformat_minor": 2