diff --git a/Assignments-overview.md b/Assignments-overview.md
index 93b9fcc..e3f2d42 100644
--- a/Assignments-overview.md
+++ b/Assignments-overview.md
@@ -52,7 +52,7 @@ Configuration of the job which is passed to worker is generated from two parts:
 Final configuration for worker is computer generated from those two configs.
 
 #### Configuration example
-
+This configuration example is written in YAML and serves only for demostration purposes. Therefore it is not working example which can be used in real traffic. Some items can be omitted and defaults will be used.
 ```
 ---  # only one document which contains job, aka. list of tasks and some general infos
 submission:  # information about this particular submission
@@ -69,7 +69,7 @@ files:  # or can be in tasks, sha1 hashing function
 tasks:
 	- task-id: "compile_test01"
 	  priority: 1
-	  failure-exit: true
+	  fatal-failure: true
 	  cmd: "g++"
 	  stdin: "recodex.cpp"
 	  stdout: "compile01.out"
@@ -93,7 +93,6 @@ tasks:
 				ISOLATE_TMP: "/tmp"
 	- task-id: "move_test01"
 	  priority: 2
-	  internal-task: true
 	  dependencies:
 		- compile_test01
 	  source: "recodex"
@@ -102,7 +101,7 @@ tasks:
 	  log: "move.log"
 	- task-id: "eval_test01"
 	  priority: 3
-	  failure-exit: false
+	  fatal-failure: false
 	  dependencies:
 		- move_test01
 	  cmd: "recodex -v -f 01.in"