diff --git a/src/hacks/hacks.cpp b/src/hacks/hacks.cpp
index a4123a9ad..2fa8fe12a 100644
--- a/src/hacks/hacks.cpp
+++ b/src/hacks/hacks.cpp
@@ -25,4 +25,6 @@ using namespace std;
 
 LINPHONE_BEGIN_NAMESPACE
 
+// Place your hacks here.
+
 LINPHONE_END_NAMESPACE
diff --git a/src/hacks/hacks.h b/src/hacks/hacks.h
index 5e58d07fa..b278f765d 100644
--- a/src/hacks/hacks.h
+++ b/src/hacks/hacks.h
@@ -20,22 +20,21 @@
 #ifndef _HACKS_H_
 #define _HACKS_H_
 
-#include <string>
-
 #include "linphone/utils/general.h"
 
 // =============================================================================
 
 LINPHONE_BEGIN_NAMESPACE
 
-// This class has the purpose to centralize the temporary hacks so that they
-// can be located more easily.
+/*
+ * This class has the purpose to centralize the TEMPORARY (!!!) hacks so that they
+ * can be located more easily. Useful for dev cpp refactoring.
+ */
 class Hacks {
 public:
 	Hacks () = delete;
 
 private:
-
 	L_DISABLE_COPY(Hacks);
 };
 
diff --git a/src/logger/logger.cpp b/src/logger/logger.cpp
index 44dff8426..bfa5365fb 100644
--- a/src/logger/logger.cpp
+++ b/src/logger/logger.cpp
@@ -32,6 +32,8 @@ using namespace std;
 
 LINPHONE_BEGIN_NAMESPACE
 
+// -----------------------------------------------------------------------------
+
 class LoggerPrivate : public BaseObjectPrivate {
 public:
 	Logger::Level level;