diff --git a/README.md b/README.md
index 522da3e..155a9e0 100644
--- a/README.md
+++ b/README.md
@@ -121,9 +121,9 @@ A benchmark of the encryption methods is available when compiled from source wit
 
 Use `-H` on the edges to enable header encryption. Note, that header encryption is a per-community 
 decision, i.e. all edges of one community need to have it either enabled or disabled.  The supernode
-can handle encrypted and unencrypted headers. As the key fro header encryption is derived from the
-community names, it requires the supernode to be used with fixed communities `-c <path to communities file>` 
-parameter.  
+can handle encrypted and unencrypted headers. As the key for header encryption is derived from the
+community names, it requires the supernode to be used with fixed communities `-c <path>` 
+parameter. Also, reuse of once-publically-used community names for header encryption is not recomended.
 
 ## Contribution