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Exercise-Configuration.md

@@ -19,7 +19,7 @@ Represents basic exercise configuration which connects all things together. For
 
 ### Frontend Format
 
-Returned as JSON.
+Returned as JSON. There is one generated "environment" which is called "default" in here default pipelines for all tests can be found.
 
 Mandatory items are bold, optional italic, description of items follows:
 
@@ -165,7 +165,7 @@ Mandatory items are bold, optional italic, description of items follows:
                 * **value** - either single scalar value or array is variable is of array type
         * **environments** - map of environments which redefines default pipelines from this test
             * **${environment identification}** - unique environment identifier from database
-                * **pipelines** - list of redefined pipelines
+                * **pipelines** - list of redefined pipelines, if this list is empty, then list of pipelines is replaced by defaults
                     * **name** - name of the pipeline to which following variables belongs to
                     * **variables** - list of variables
                         * **name** - unique identifier of the variable