diff --git a/module2/exo5/exo5_R_en.ipynb b/module2/exo5/exo5_R_en.ipynb
index c02888fb4fa45828a54043b6b7fd64374a7a569c..8a59929db138d63685277409cc7774df4a55e070 100644
--- a/module2/exo5/exo5_R_en.ipynb
+++ b/module2/exo5/exo5_R_en.ipynb
@@ -69,7 +69,7 @@
        "\t<tr><td>4/12/85  </td><td>6</td><td>67</td><td>200</td><td>0</td></tr>\n",
        "\t<tr><td>4/29/85  </td><td>6</td><td>75</td><td>200</td><td>0</td></tr>\n",
        "\t<tr><td>6/17/85  </td><td>6</td><td>70</td><td>200</td><td>0</td></tr>\n",
-       "\t<tr><td>7/2903/85</td><td>6</td><td>81</td><td>200</td><td>0</td></tr>\n",
+       "\t<tr><td>7/29/85</td><td>6</td><td>81</td><td>200</td><td>0</td></tr>\n",
        "\t<tr><td>8/27/85  </td><td>6</td><td>76</td><td>200</td><td>0</td></tr>\n",
        "\t<tr><td>10/03/85 </td><td>6</td><td>79</td><td>200</td><td>0</td></tr>\n",
        "\t<tr><td>10/30/85 </td><td>6</td><td>75</td><td>200</td><td>2</td></tr>\n",
@@ -101,7 +101,7 @@
        "\t 4/12/85   & 6 & 67 & 200 & 0\\\\\n",
        "\t 4/29/85   & 6 & 75 & 200 & 0\\\\\n",
        "\t 6/17/85   & 6 & 70 & 200 & 0\\\\\n",
-       "\t 7/2903/85 & 6 & 81 & 200 & 0\\\\\n",
+       "\t 7/29/85 & 6 & 81 & 200 & 0\\\\\n",
        "\t 8/27/85   & 6 & 76 & 200 & 0\\\\\n",
        "\t 10/03/85  & 6 & 79 & 200 & 0\\\\\n",
        "\t 10/30/85  & 6 & 75 & 200 & 2\\\\\n",
@@ -132,7 +132,7 @@
        "| 4/12/85   | 6 | 67 | 200 | 0 |\n",
        "| 4/29/85   | 6 | 75 | 200 | 0 |\n",
        "| 6/17/85   | 6 | 70 | 200 | 0 |\n",
-       "| 7/2903/85 | 6 | 81 | 200 | 0 |\n",
+       "| 7/29/85 | 6 | 81 | 200 | 0 |\n",
        "| 8/27/85   | 6 | 76 | 200 | 0 |\n",
        "| 10/03/85  | 6 | 79 | 200 | 0 |\n",
        "| 10/30/85  | 6 | 75 | 200 | 2 |\n",
@@ -159,7 +159,7 @@
        "15 4/12/85   6     67          200      0          \n",
        "16 4/29/85   6     75          200      0          \n",
        "17 6/17/85   6     70          200      0          \n",
-       "18 7/2903/85 6     81          200      0          \n",
+       "18 7/29/85 6     81          200      0          \n",
        "19 8/27/85   6     76          200      0          \n",
        "20 10/03/85  6     79          200      0          \n",
        "21 10/30/85  6     75          200      2          \n",
diff --git a/module2/exo5/exo5_R_en.org b/module2/exo5/exo5_R_en.org
index e299e975cef035d5d8f0cd1f72731d7b8fd1cf83..dc8a5d07f7e0aabed7bab44762fc9213f78e4acf 100644
--- a/module2/exo5/exo5_R_en.org
+++ b/module2/exo5/exo5_R_en.org
@@ -60,7 +60,7 @@ data
 15   4/12/85     6          67      200           0
 16   4/29/85     6          75      200           0
 17   6/17/85     6          70      200           0
-18 7/2903/85     6          81      200           0
+18 7/29/85     6          81      200           0
 19   8/27/85     6          76      200           0
 20  10/03/85     6          79      200           0
 21  10/30/85     6          75      200           2
diff --git a/module2/exo5/exo5_R_fr.org b/module2/exo5/exo5_R_fr.org
index 0942c912f9ba9eec51b1fc3e54ad88326b924565..336a9f760971fcd52c97d0e11da9ea164474a9bb 100644
--- a/module2/exo5/exo5_R_fr.org
+++ b/module2/exo5/exo5_R_fr.org
@@ -60,7 +60,7 @@ data
 15   4/12/85     6          67      200           0
 16   4/29/85     6          75      200           0
 17   6/17/85     6          70      200           0
-18 7/2903/85     6          81      200           0
+18 7/29/85     6          81      200           0
 19   8/27/85     6          76      200           0
 20  10/03/85     6          79      200           0
 21  10/30/85     6          75      200           2
diff --git a/module2/exo5/exo5_en.ipynb b/module2/exo5/exo5_en.ipynb
index b961e24f50a3e2446311b34e1637599f228248e1..6a0919d7ba4c9594341883f6d283db9ea050de72 100644
--- a/module2/exo5/exo5_en.ipynb
+++ b/module2/exo5/exo5_en.ipynb
@@ -209,7 +209,7 @@
        "    </tr>\n",
        "    <tr>\n",
        "      <th>17</th>\n",
-       "      <td>7/2903/85</td>\n",
+       "      <td>7/29/85</td>\n",
        "      <td>6</td>\n",
        "      <td>81</td>\n",
        "      <td>200</td>\n",
@@ -278,7 +278,7 @@
        "14    4/12/85      6           67       200            0\n",
        "15    4/29/85      6           75       200            0\n",
        "16    6/17/85      6           70       200            0\n",
-       "17  7/2903/85      6           81       200            0\n",
+       "17  7/29/85      6           81       200            0\n",
        "18    8/27/85      6           76       200            0\n",
        "19   10/03/85      6           79       200            0\n",
        "20   10/30/85      6           75       200            2\n",
diff --git a/module2/exo5/exo5_fr.ipynb b/module2/exo5/exo5_fr.ipynb
index a2a512d10dfcf2370bcd394297e7ec5cac17d6b7..26ad6d94fa840f788a57621b06dc6af83a848391 100644
--- a/module2/exo5/exo5_fr.ipynb
+++ b/module2/exo5/exo5_fr.ipynb
@@ -210,7 +210,7 @@
        "    </tr>\n",
        "    <tr>\n",
        "      <th>17</th>\n",
-       "      <td>7/2903/85</td>\n",
+       "      <td>7/29/85</td>\n",
        "      <td>6</td>\n",
        "      <td>81</td>\n",
        "      <td>200</td>\n",
@@ -279,7 +279,7 @@
        "14    4/12/85      6           67       200            0\n",
        "15    4/29/85      6           75       200            0\n",
        "16    6/17/85      6           70       200            0\n",
-       "17  7/2903/85      6           81       200            0\n",
+       "17  7/29/85      6           81       200            0\n",
        "18    8/27/85      6           76       200            0\n",
        "19   10/03/85      6           79       200            0\n",
        "20   10/30/85      6           75       200            2\n",
diff --git a/module2/exo5/exo5_python_en.org b/module2/exo5/exo5_python_en.org
index bc6a15d113b7dbb83dd0713023b57dc9f81c1bfa..39a203bed10eed51f00f5222dee62329bf13ec72 100644
--- a/module2/exo5/exo5_python_en.org
+++ b/module2/exo5/exo5_python_en.org
@@ -60,7 +60,7 @@ data
 14    4/12/85      6           67       200            0
 15    4/29/85      6           75       200            0
 16    6/17/85      6           70       200            0
-17  7/2903/85      6           81       200            0
+17  7/29/85      6           81       200            0
 18    8/27/85      6           76       200            0
 19   10/03/85      6           79       200            0
 20   10/30/85      6           75       200            2
diff --git a/module2/exo5/exo5_python_fr.org b/module2/exo5/exo5_python_fr.org
index a1b32a25aeff362b1efc96b7a78cc73169acb3d0..afff5e05bdb366128291b42847d9bd44d1f8bf04 100644
--- a/module2/exo5/exo5_python_fr.org
+++ b/module2/exo5/exo5_python_fr.org
@@ -60,7 +60,7 @@ data
 14    4/12/85      6           67       200            0
 15    4/29/85      6           75       200            0
 16    6/17/85      6           70       200            0
-17  7/2903/85      6           81       200            0
+17  7/29/85      6           81       200            0
 18    8/27/85      6           76       200            0
 19   10/03/85      6           79       200            0
 20   10/30/85      6           75       200            2
diff --git a/module2/exo5/shuttle.csv b/module2/exo5/shuttle.csv
index 9412ab30682565afb0ca3b4bcc6b0f99f632bbf2..e59e1337ed61fc3862edb87cb94bb3a93c1bf583 100644
--- a/module2/exo5/shuttle.csv
+++ b/module2/exo5/shuttle.csv
@@ -16,7 +16,7 @@ Date,Count,Temperature,Pressure,Malfunction
 4/12/85,6,67,200,0
 4/29/85,6,75,200,0
 6/17/85,6,70,200,0
-7/2903/85,6,81,200,0
+7/29/85,6,81,200,0
 8/27/85,6,76,200,0
 10/03/85,6,79,200,0
 10/30/85,6,75,200,2