diff --git a/README.md b/README.md
index 59b97ba..554e8b1 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ Proszę również nie modyfikować innych plików.
 
 Wszystkie zadania należy robić w terminie zaznaczonym w `description.txt`. Po terminie będę podawał punktację za pomocą USUSa w "sprawdziany".
 
+Zadania robimy do końca soboty poprzedzającej zajęcia
 
 #### Aktualizacja repozytorium
 
diff --git a/TaskC00/description.txt b/TaskC00/description.txt
index 6b79211..1999cc4 100644
--- a/TaskC00/description.txt
+++ b/TaskC00/description.txt
@@ -11,4 +11,4 @@ Note that not all transitions must be included in description.
 If no transition is given for the given state and letter, write NO.
 
 POINTS: 3
-DEADLINE: 2021-11-21 23:59:59
+DEADLINE: 2021-11-20 23:59:59
diff --git a/TaskC01/description.txt b/TaskC01/description.txt
index 72ba387..6789810 100644
--- a/TaskC01/description.txt
+++ b/TaskC01/description.txt
@@ -10,5 +10,5 @@ If a string is accepted by the
 automaton, write YES, otherwise- write NO. 
 
 POINTS: 3
-DEADLINE: 2021-11-21 23:59:59
+DEADLINE: 2021-11-20 23:59:59
 REMAINDER: 0/3
diff --git a/TaskC02/description.txt b/TaskC02/description.txt
index bb1ef1a..0a3a2e3 100644
--- a/TaskC02/description.txt
+++ b/TaskC02/description.txt
@@ -10,5 +10,5 @@ If a string is accepted by the
 automaton, write YES, otherwise- write NO. 
 
 POINTS: 3
-DEADLINE: 2021-11-21 23:59:59
+DEADLINE: 2021-11-20 23:59:59
 REMAINDER: 1/3
diff --git a/TaskC03/description.txt b/TaskC03/description.txt
index 36e4ee3..1e08c96 100644
--- a/TaskC03/description.txt
+++ b/TaskC03/description.txt
@@ -10,5 +10,5 @@ If a string is accepted by the
 automaton, write YES, otherwise- write NO. 
 
 POINTS: 3
-DEADLINE: 2021-11-21 23:59:59
+DEADLINE: 2021-11-20 23:59:59
 REMAINDER: 2/3
diff --git a/TaskC04/description.txt b/TaskC04/description.txt
index 884a7ef..48d9d19 100644
--- a/TaskC04/description.txt
+++ b/TaskC04/description.txt
@@ -21,5 +21,5 @@ and whether the automaton is deterministic. You can assume that the
 automaton does not contain epsilon transitions.
 
 POINTS: 3
-DEADLINE: 2021-11-21 23:59:59
+DEADLINE: 2021-11-20 23:59:59
 REMAINDER: 0/3
diff --git a/TaskC05/description.txt b/TaskC05/description.txt
index a039290..f5cf2ec 100644
--- a/TaskC05/description.txt
+++ b/TaskC05/description.txt
@@ -48,5 +48,5 @@ and whether it is deterministic and does not contain cycles.
 
 
 POINTS: 3
-DEADLINE: 2021-11-21 23:59:59
+DEADLINE: 2021-11-20 23:59:59
 REMAINDER: 1/3
diff --git a/TaskC06/description.txt b/TaskC06/description.txt
index 54c39b8..e08edfb 100644
--- a/TaskC06/description.txt
+++ b/TaskC06/description.txt
@@ -20,5 +20,5 @@ Weights (if any) should be disregarded.
 NOTE 1. You can add `LANG=C sort` to your Bash wrapper for the write sort.
 
 POINTS: 3
-DEADLINE: 2021-11-21 23:59:59
+DEADLINE: 2021-11-20 23:59:59
 REMAINDER: 2/3