diff --git a/doc/building_your_pipeline.md b/doc/building_your_pipeline.md
index 3008d43731d937121ff3f1fdb8ef7e6730463853..f6d05a9478a015344ee51c16cb8cc663c7104419 100644
--- a/doc/building_your_pipeline.md
+++ b/doc/building_your_pipeline.md
@@ -360,7 +360,7 @@ We can add the `fastq_from_bed` step to our `workflow`
 
 ```Groovy
 workflow {
-  sample_fasta(fasta_file)
+  fastp(fasta_file)
   fasta_from_bed(fasta_files, bed_files)
 }
 ```