diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index c454824458..cc20fbb884 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -23,7 +23,7 @@
 
 #define LIBAVFORMAT_VERSION_MAJOR 52
 #define LIBAVFORMAT_VERSION_MINOR 30
-#define LIBAVFORMAT_VERSION_MICRO  0
+#define LIBAVFORMAT_VERSION_MICRO  1
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \
diff --git a/libavformat/avio.h b/libavformat/avio.h
index 189c5f0e30..d154911559 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -23,6 +23,9 @@
 /**
  * @file libavformat/avio.h
  * unbuffered I/O operations
+ *
+ * @warning This file has to be considered an internal but installed
+ * header, so it should not be directly included in your projects.
  */
 
 #include <stdint.h>