fix typo scr -> src

Author: qmacro

tutorials/hana-cloud-cap-create-database-cds/hana-cloud-cap-create-database-cds.md

@@ -77,7 +77,7 @@ Video version of tutorial: </br>
 
 [ACCORDION-BEGIN [Step 2: ](Create service interface)]
 
-1. In the `srv` (**not `scr`!**) folder created another file and name it `interaction_srv.cds`
+1. In the `srv` (**not `src`!**) folder created another file and name it `interaction_srv.cds`
 
     ```Name
     interaction_srv.cds