Update README.md

Author: fstrozzi

README.md

@@ -5,7 +5,7 @@ A simple launcher for complex biological pipelines.
 
 PipEngine will generate runnable shell scripts, already configured for the PBS/Torque job scheduler, for each sample in the pipeline. It allows to run a complete pipeline or just a single step depending on the needs.
 
-PipEngine is best suited for NGS pipelines, but it can be used for any kind of pipeline that can be runned on a job scheduling system and that are "sample" centric, i.e. you have from one side a list of samples with their corresponding raw data, and from the other side a pipeline that you would like to apply to them.
+PipEngine is best suited for NGS pipelines, but it can be used for any kind of pipeline that can be runned on a job scheduling system and which is "sample" centric, i.e. you have from one side a list of samples with their corresponding raw data, and from the other side a pipeline that you would like to apply to them.
 
 Installation
 ============