diff --git a/.gitignore b/.gitignore
index 45e3d40..d6091b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 .ipynb_checkpoints/
 data/
-*.mat
diff --git a/src/atd-meta1-vasco-alves.zip b/src/atd-meta1-vasco-alves.zip
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diff --git a/src/main.ipynb b/src/main.ipynb
index 9b9a98b..4f3c866 100644
--- a/src/main.ipynb
+++ b/src/main.ipynb
@@ -7,6 +7,9 @@
    "source": [
     "# Identificação de dígitos através de características extraídas de sinais de áudio\n",
     "\n",
+    "## Ficheiro .mat\n",
+    "Ficheiro .mat disponivel no github: [vascoalvesxyz/ATD-Projeto/blob/master/src/meta1.mat](https://github.com/vascoalvesxyz/ATD-Projeto/blob/master/src/meta1.mat)\n",
+    "\n",
     "## Alunos\n",
     "- Vasco Alves - nº estudante 2022228207\n",
     "\n",
diff --git a/src/meta1.mat b/src/meta1.mat
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