diff --git a/eo-maven-plugin/README.md b/eo-maven-plugin/README.md
index e9d4482889..14b7d229a8 100644
--- a/eo-maven-plugin/README.md
+++ b/eo-maven-plugin/README.md
@@ -126,7 +126,7 @@ mvn -U clean install
 
 If you want to build your project or run your tests which use eo-maven-plugin, you can change stack size for your purposes by stack-size option:
 
-```
-mvn clean install -Pqulice -D.stack-size=1M
+```shell
+mvn clean install -Pqulice -Dstack-size=1M
 ```
 where 1M is size of stack. By default stack-size = 256M in eo-maven-plugin, maximum size is 1G.
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