diff --git a/tests/test-common.hpp b/tests/test-common.hpp
index 8d37568..9d4edbd 100644
--- a/tests/test-common.hpp
+++ b/tests/test-common.hpp
@@ -58,7 +58,7 @@
 /**
  * \brief Create a Data with a null (i.e., empty) signature
  *
- * If a real signature is desired, use KeyChainFixture and sign again with `m_keyChain`.
+ * If a "real" signature is desired, use KeyChainFixture and sign again with `m_keyChain`.
  */
 shared_ptr<Data>
 makeData(const Name& name);