diff --git a/graphs/graphs.ms b/graphs/graphs.ms
index 0f0ae2f..2fbcd98 100644
--- a/graphs/graphs.ms
+++ b/graphs/graphs.ms
@@ -888,10 +888,12 @@ However, a few security mechanisms exist to prevent data leak or data modificati
 .B "Preventing data leak" .
 Since DODB is a library, any attack on the application using it can lead to a data leak.
 For the moment, any part of the application can access data stored in memory.
-Operating systems provide system calls to protect parts of the allocated memory;
-.FUNCTION_CALL mlock ,
+Operating systems provide system calls to protect parts of the allocated memory:
+.FUNCTION_CALL mlock
+prevents a region of memory from being put in the swap,
 .FUNCTION_CALL mprotect
-prevents a region of memory from being put in the swap.
+prevents the application itself to access part of its own memory unless
+.TBD
 
 .B "Discussion on security, not related to DODB" .
 No authorization mechanism prevents the application to access un-authorized data, including, but not limited to, any file on the file-system.