1 files changed, 2 insertions, 1 deletions

diff --git a/src/OSSupport/File.h b/src/OSSupport/File.h
index 2a7ecf0ed..8891511c4 100644
--- a/src/OSSupport/File.h
+++ b/src/OSSupport/File.h
@@ -62,7 +62,8 @@ public:
 	{
 		fmRead,      // Read-only. If the file doesn't exist, object will not be valid
 		fmWrite,     // Write-only. If the file already exists, it will be overwritten
-		fmReadWrite  // Read/write. If the file already exists, it will be left intact; writing will overwrite the data from the beginning
+		fmReadWrite, // Read/write. If the file already exists, it will be left intact; writing will overwrite the data from the beginning
+		fmAppend     // Write-only. If the file already exists cursor will be moved to the end of the file
 	} ;
 	
 	/** Simple constructor - creates an unopened file object, use Open() to open / create a real file */