diff --git a/openapi.yaml b/openapi.yaml
index f129fb7..5fa3677 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -184,7 +184,7 @@ paths:
                LEFT JOIN ems ON sn.seriennummer = ems.Seriennummer
                LEFT JOIN modulindex ON sn.seriennummer = modulindex.sn_lp
           WHERE 
-	          FIND_IN_SET(sn.seriennummer, @serialNumbers) != 0
+            FIND_IN_SET(sn.seriennummer, @serialNumbers) != 0
         STATEMENTEND
         ```
       parameters:
@@ -398,4 +398,4 @@ components:
         moduleIndex:
           type: string
           nullable: true
-          
+