diff --git a/tests/test_manual.py b/tests/test_manual.py
index edfa08b101fef708d7b8d7540596dc1ed0b5bcbb..1ba0b50dfb8d68c6c32ae82a4fe94b5e79f2d32a 100644
--- a/tests/test_manual.py
+++ b/tests/test_manual.py
@@ -66,7 +66,7 @@ def test_references():
         '''define conductor'''
         conductor = Property(
             name="TestConductor",
-            description="The guy who conducted an experiment.",
+            description="The person who conducted an experiment.",
             datatype=person)
 
         '''define experiment'''