diff --git a/readme.md b/readme.md
index 918b3ca..48e51e2 100644
--- a/readme.md
+++ b/readme.md
@@ -51,7 +51,7 @@ For example, to run the program with 32 gigabytes of memory, use the command:
 There are a number of command line options, to allow the program to be used in shell scripts. For a full list,
 use the -help flag:
 
-`java -jar BiGpairSEQ_SIM -help`
+`java -jar BiGpairSEQ_SIM.jar -help`
 
 If no command line arguments are given, BiGpairSEQ_Sim will launch with an interactive, menu-driven CLI for 
 generating files and simulating TCR pairing. The main menu looks like this: