- <li><%= link_to "Tutorial 2: Search PGP data by trait", "http://doc.arvados.org/user/tutorial-trait-search.html" %></li>
- <li><%= link_to "Tutorial 3: GATK VariantFiltration", "http://doc.arvados.org/user/tutorial-gatk-variantfiltration.html" %></li>
- <li><%= link_to "Tutorial 3: Create a new pipeline", "http://doc.arvados.org/user/tutorial-new-pipeline.html" %></li>
+ <li><%= link_to "Tutorial 2: GATK VariantFiltration", "http://doc.arvados.org/user/tutorial-gatk-variantfiltration.html" %></li>
+ <li><%= link_to "Tutorial 3: Search PGP data by trait", "http://doc.arvados.org/user/tutorial-trait-search.html" %></li>
+ <li><%= link_to "Tutorial 4: Create a new pipeline", "http://doc.arvados.org/user/tutorial-new-pipeline.html" %></li>