Updates to README.md

diff --git a/README.md b/README.md
index 7304acc8cd5104bcc5c54f81b0cedb3744c7c793..6ab8a0ae9eda9540c30a906c09f99d11a8f3ccd3 100644 (file)
--- a/README.md
+++ b/README.md
@@ -42,4 +42,5 @@ Using the hkey obfuscation
     # /usr/local/pgsql/bin/psql -d <db> -U <user> < hkey.sql
 
 Then alter "v_use_hkey := false" to "v_use_hkey := true" in both the
-decrypt_replicated_users and encrypt_replicated_users functions.
+decrypt_replicated_users and encrypt_replicated_users functions. 
+Note the pgcrypto contrib module is required for this.