Use proper doxygen markup to mark deprecations
diff --git a/include/polarssl/platform.h b/include/polarssl/platform.h
index 76e61bb..32d1c9f 100644
--- a/include/polarssl/platform.h
+++ b/include/polarssl/platform.h
@@ -30,7 +30,7 @@
#include POLARSSL_CONFIG_FILE
#endif
-/* Temporary compability hack for to keep the deprecated MEMORY_C working */
+/* Temporary compability hack for to keep MEMORY_C working */
#if defined(POLARSSL_MEMORY_C) && !defined(POLARSSL_PLATFORM_MEMORY)
#define POLARSSL_PLATFORM_MEMORY
#endif