diff --git a/src/internal/mana_api.h b/src/internal/mana_c_api.h
similarity index 100%
rename from src/internal/mana_api.h
rename to src/internal/mana_c_api.h
diff --git a/src/internal/mana_lib.hpp b/src/internal/mana_lib.hpp
index a108ba7..6e1f166 100644
--- a/src/internal/mana_lib.hpp
+++ b/src/internal/mana_lib.hpp
@@ -1,8 +1,8 @@
 #ifndef AAB5E4D2_A05B_4F2F_B76A_406A5A569D55
 #define AAB5E4D2_A05B_4F2F_B76A_406A5A569D55
 
-#include "mana_api.h"
 #include "mana_arena.h"
+#include "mana_c_api.h"
 #include <cassert>
 #include <mesytec-mnode/mnode_cpp_types.h>
 #include <mesytec-mvlc/cpp_compat.h>
@@ -148,6 +148,7 @@ class IManaSink
     IManaSink &operator=(const IManaSink &) = delete;
 };
 
+// wraps a mana_api.h mana_plugin_t instance
 struct ManaCSink: public IManaSink
 {
     mana_plugin_t plugin_;
diff --git a/src/mana_plugin_c_test.c b/src/mana_plugin_c_test.c
index 01d4f9f..bb2d86f 100644
--- a/src/mana_plugin_c_test.c
+++ b/src/mana_plugin_c_test.c
@@ -1,7 +1,7 @@
-#include "internal/mana_api.h"
+#include "internal/mana_c_api.h"
 #include "internal/rxi/log.h"
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 
 struct Context
 {