diff --git a/readme.md b/readme.md
index 7bcbac8..75f6bdf 100644
--- a/readme.md
+++ b/readme.md
@@ -49,7 +49,7 @@ For example, to run the program with 32 gigabytes of memory, use the command:
 `java -Xmx32G -jar BiGpairSEQ_Sim.jar`
 
 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:
+use the `-help` flag:
 
 `java -jar BiGpairSEQ_Sim.jar -help`