diff --git a/src/main/java/org/codehaus/mojo/exec/Property.java b/src/main/java/org/codehaus/mojo/exec/Property.java
index a08a4906..a54c2396 100644
--- a/src/main/java/org/codehaus/mojo/exec/Property.java
+++ b/src/main/java/org/codehaus/mojo/exec/Property.java
@@ -20,7 +20,7 @@
  */
 
 /**
- * Wrapper class for the systemPropery argument type.
+ * Wrapper class for the systemProperty argument type.
  * 
  * @author Kaare Nilsen (kaare.nilsen@gmail.com)
  */