Update README.md

README.md

@@ -9,7 +9,7 @@ Download FASTQ files from the [European Nucleotide Archive](https://www.ebi.ac.u
 
 ## Introduction
 
-`fastq-dl` takes an ENA/SRA accession (Study, Experiment, or Run) and queries ENA (via
+`fastq-dl` takes an ENA/SRA accession (Study, Sample, Experiment, or Run) and queries ENA (via
 [Data Warehouse API](https://www.ebi.ac.uk/ena/browse/search-rest)) to determine the associated
 metadata. It then downloads FASTQ files for each Run. For Samples or Experiments with multiple
 Runs, users can optionally merge the runs.
@@ -26,8 +26,6 @@ conda create -n fastq-dl -c conda-forge -c bioconda fastq-dl
 conda activate fastq-dl 
 ```
 
-### Pip
-
 ## Usage
 
 ```{bash}