diff --git a/DB/chk/chk_schema.png b/DB/chk/schema.png
similarity index 93%
rename from DB/chk/chk_schema.png
rename to DB/chk/schema.png
index a356161..6c807f2 100644
Binary files a/DB/chk/chk_schema.png and b/DB/chk/schema.png differ
diff --git a/DB/chk/schema.puml b/DB/chk/schema.puml
index eda69f1..af95b35 100644
--- a/DB/chk/schema.puml
+++ b/DB/chk/schema.puml
@@ -1,4 +1,4 @@
-@startuml chk_schema
+@startuml schema
 ' ER-схема слоя chk (БД MT.Сhecks)
 ' Источник требований: DB/task.md; документация: DB/chk/tables.md
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