You need an XML editor to edit the pipelines. You can change the default name of the pipeline by changing its title in the document library.
<?xml version="1.0" encoding="UTF-8"?>
<pipelineConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="cpnz:pipeline:xsd:pipeline-configuration.xsd">
<pipeline>map2epub</pipeline>
<options>
<option>
<name>source-base-uri</name>
<value>source</value>
</option>
<option>
<name>result-base-uri</name>
<value>output/html</value>
</option>
<option>
<name>result-document-pattern</name>
<value>${source.baseName}.${result.mediaType.extension}</value>
</option>
<option>
<name>log-base-uri</name>
<value>output/log</value>
</option>
</options>
</pipelineConfiguration>