diff --git a/README.md b/README.md
index d902546..caeb851 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,6 @@ justguestbook ver. 1.0.0
 
 #### HTTP codes
 - `200` if there are entries.
-- `404` if there's no entries.
 - `500` if for some reason a list cannot be sent.
 
 ### Post a new guestbook entry
@@ -61,7 +60,7 @@ All such commands must have a password supplied in `X-Password` header.
 - `message` for an entry. Required.
 
 #### HTTP codes
-- `204` if created or modified successfully.
+- `201` if created or modified successfully.
 - `403` if unauthorised.
 - `404` if there's no such entry.
 - `500` if there are internal problems with service.
@@ -83,5 +82,5 @@ All such commands must have a password supplied in `X-Password` header.
 #### HTTP codes
 - `204` if was successfully deleted.
 - `403` if unauthorised.
-- `404` if there's no such entry.
+- `404` if there's no such entry or reply.
 - `500` if there are internal problems with service.
\ No newline at end of file