diff --git a/lib/README.md b/lib/README.md
index 1f9bb6b..a35b9ae 100644
--- a/lib/README.md
+++ b/lib/README.md
@@ -1,8 +1,4 @@
-# Fimg tools
+# Floatimg, the base library
 
 Need more explanations...
 
-
-
-## Converting to/from rgb or gray 
-
diff --git a/lib/metadata.c b/lib/metadata.c
index 5ad96e2..53a2fba 100644
--- a/lib/metadata.c
+++ b/lib/metadata.c
@@ -1,5 +1,10 @@
 /*
  *              metadata.c
+ *		----------
+ *
+ *	This is not a stable version. You must expect problems,
+ *	and the first one was time_t 32 vs. 64 bits.
+ *
  */
 
 #include  <stdio.h>