diff --git a/README.md b/README.md
index eab7b18..5a4122b 100644
--- a/README.md
+++ b/README.md
@@ -122,9 +122,9 @@ options including an example that demonstrates the use case:
 
 On the command line provide a project project via `-PtargetBranch=master`.
 
-In your build script, parse the provided project property and assign it to the task property:
+In your build script, parse the provided project property and assign it to the task property (will default to `null` if the property cannot be located):
 
-    mergeBuiltPullRequests.targetBranch = project.hasProperty('targetBranch') ? project.getProperty('targetBranch') : null
+    mergeBuiltPullRequests.targetBranch = project.findProperty('targetBranch')
 
 #### Using system properties