diff --git a/README.md b/README.md
index 6b160215d7774f81ea4bd98b9f8495c86c496a45..61f8233010cc4a2d115eae22642edcb9359c08e2 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ pip install .
 ## Usage
 
 ```
-usage: read_sequencer [-h] [-i INPUT] [-r READ_LENGTH] [-n N_RANDOM] [-s CHUNK_SIZE] output 
+usage: readsequencer [-h] [-i INPUT] [-r READ_LENGTH] [-n N_RANDOM] [-s CHUNK_SIZE] output 
 Simulates sequencing of DNA sequences specified by an FASTA file.
 
 positional arguments: