Update schedule.html

Author: AndrzejRomaniuk

_includes/dc/schedule.html

@@ -157,7 +157,7 @@ <h3>Day 1: 24th February </h3>
         <td colspan="2" style="text-align:center"><strong>Lessons</strong></td>
       </tr>
       <tr>               <!-- row 2   -->
-        <td rowspan="3" style="vertical-align:middle"><a href="https://datacarpentry.github.io/python-socialsci/">Python for Social Scientists</a></td>        <!-- content -->
+        <td rowspan="3" style="vertical-align:middle"><a href="https://swcarpentry.github.io/python-novice-gapminder/">Python Plotting and Programming</a></td>        <!-- content -->
         <td>Introduction</td>
       </tr>
       <tr>               <!-- row 2   -->
@@ -182,7 +182,7 @@ <h3>Day 2: 25th February </h3>
         <td colspan="2" style="text-align:center"><strong>Lessons</strong></td>
       </tr>
       <tr>               <!-- row 2   -->
-        <td rowspan="3" style="vertical-align:middle"><a href="https://datacarpentry.github.io/python-socialsci/">Python for Social Scientists</a></td>        <!-- content -->
+        <td rowspan="3" style="vertical-align:middle"><a href="https://swcarpentry.github.io/python-novice-gapminder/">Python Plotting and Programming</a></td>        <!-- content -->
         <td>Point 4</td>
       </tr>
       <tr>               <!-- row 2   -->