code style fix
Change-Id: I2f57ac1eb9c01063752adfc452ff0f1db3367fe3
diff --git a/src/detail/challenge-encoder.hpp b/src/detail/challenge-encoder.hpp
index d0ad429..3eaf4c4 100644
--- a/src/detail/challenge-encoder.hpp
+++ b/src/detail/challenge-encoder.hpp
@@ -18,8 +18,8 @@
* See AUTHORS.md for complete list of ndncert authors and contributors.
*/
-#ifndef NDNCERT_DETAIL_CHALLENGE_STEP_HPP
-#define NDNCERT_DETAIL_CHALLENGE_STEP_HPP
+#ifndef NDNCERT_DETAIL_CHALLENGE_ENCODER_HPP
+#define NDNCERT_DETAIL_CHALLENGE_ENCODER_HPP
#include "detail/ca-request-state.hpp"
#include "requester-state.hpp"
@@ -40,4 +40,4 @@
} // namespace ndncert
} // namespace ndn
-#endif // NDNCERT_DETAIL_CHALLENGE_STEP_HPP
\ No newline at end of file
+#endif // NDNCERT_DETAIL_CHALLENGE_ENCODER_HPP
\ No newline at end of file