diff --git a/bot.py b/bot.py
index 2d1c2eb..595460e 100644
--- a/bot.py
+++ b/bot.py
@@ -19,7 +19,7 @@ import timeout as tmo
 # TODO more backends (redis at least)
 db = db_classes.PickleDB(".db")
 db.load()
-CURRENT_VERSION = "v1.0rc10"
+CURRENT_VERSION = "v1.0rc11"
 VERSION = db.read("about.version", CURRENT_VERSION)
 db.write("about.author", "electromagneticcyclone")
 db.write("about.tester", "angelbeautifull")
@@ -1414,7 +1414,10 @@ def update_notify(forum: int) -> None:
     "Notifies the forum about bot's new version."
     bot.reply_to(
         get_chat(forum),
-        f"Обновился до версии {telebot.formatting.escape_markdown(CURRENT_VERSION)}",
+        # f"Обновился до версии {telebot.formatting.escape_markdown(CURRENT_VERSION)}",
+        f"Обновился до версии {telebot.formatting.escape_markdown(CURRENT_VERSION)}\n"
+        + "Дежурик поздравляет всех бета-тестеров с НовЫыыым Г0йда и напоминает о том,"
+        + " что на каникулах и сессии дежурства продолжаются",
     )
 
 
diff --git a/db_classes.py b/db_classes.py
index 9f8b910..ae2c39f 100644
--- a/db_classes.py
+++ b/db_classes.py
@@ -16,18 +16,23 @@ class PrototypeDB:
 
     def save(self, dbfo: str = None):
         "Export database to the file."
+        raise AssertionError("Unimplemented method")
 
     def load(self, dbfi: str = None):
         "Import database from the file."
+        raise AssertionError("Unimplemented method")
 
     def write(self, field: str, value: any, data=None):
         "Write `value` to the database's `field`. `data` argument is not used. Returns new db."
+        raise AssertionError("Unimplemented method")
 
     def read(self, field: str, default: any = None, data=None) -> any:
         "Read `field` from the database. `default` argument returned when where's no such a field."
+        raise AssertionError("Unimplemented method")
 
     def pop(self, field: str) -> any:
         "Remove `field` from the database."
+        raise AssertionError("Unimplemented method")
 
 
 class PickleDB(PrototypeDB):