diff --git a/1_prepare_data.ipynb b/1_prepare_data.ipynb
index caaf84e7ef66aba60e53fba36b464efcb6e77c33..517ddf53441d7a4196967dc298f065670b00f54f 100644
--- a/1_prepare_data.ipynb
+++ b/1_prepare_data.ipynb
@@ -1,5 +1,13 @@
 {
  "cells": [
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Configurar directorios"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 1,
@@ -12,6 +20,14 @@
     "FIREDESTDIR = 'processed_fire_data/' # directory to save .npy files for each time step and variable for fire data"
    ]
   },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Cargar bibliotecas"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 2,
@@ -24,6 +40,14 @@
     "from tqdm.notebook import tqdm"
    ]
   },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Variables de configuración"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 3,
@@ -37,14 +61,11 @@
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": 4,
+   "attachments": {},
+   "cell_type": "markdown",
    "metadata": {},
-   "outputs": [],
    "source": [
-    "#root = nc.Dataset(FIREDATADIR + f\"2002.nc\", 'r')\n",
-    "#root['fdimrk']\n",
-    "#root.close()\n"
+    "# Procesar datos ERA5"
    ]
   },
   {
@@ -138,7 +159,7 @@
     }
    ],
    "source": [
-    "# Processing ERA 5 data\n",
+    "# Processing ERA5 data\n",
     "for var in vars:\n",
     "  if not os.path.exists(DESTDIR + f\"{var}\"):\n",
     "    os.makedirs(DESTDIR + f\"{var}\")\n",
@@ -157,6 +178,14 @@
     "        t += 1"
    ]
   },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Procesar datos de índice de peligro de incendio"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 6,
@@ -178,7 +207,7 @@
     }
    ],
    "source": [
-    "# Processing Fire data\n",
+    "# Processing Fire danger index data\n",
     "for var in fire_vars:\n",
     "  if not os.path.exists(FIREDESTDIR + f\"{var}\"):\n",
     "    os.makedirs(FIREDESTDIR + f\"{var}\")\n",
@@ -195,6 +224,14 @@
     "        t += 1"
    ]
   },
+  {
+   "attachments": {},
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Guardar información de latitud/longitud"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 7,