diff --git a/HasswordManager.cabal b/HasswordManager.cabal
index f3c39c6..d195bab 100644
--- a/HasswordManager.cabal
+++ b/HasswordManager.cabal
@@ -41,12 +41,12 @@ library
     , ansi-terminal
     , base >=4.7 && <5
     , bytestring
-    , cipher-aes
+    , containers
     , hashable
+    , hspec
     , sqlite-simple
     , text
     , utf8-string
-    , containers
   default-language: Haskell2010
 
 executable HasswordManager-exe
@@ -64,12 +64,12 @@ executable HasswordManager-exe
     , ansi-terminal
     , base >=4.7 && <5
     , bytestring
-    , cipher-aes
+    , containers
     , hashable
+    , hspec
     , sqlite-simple
     , text
     , utf8-string
-    , containers
   default-language: Haskell2010
 
 test-suite HasswordManager-test
@@ -88,11 +88,10 @@ test-suite HasswordManager-test
     , ansi-terminal
     , base >=4.7 && <5
     , bytestring
-    , cipher-aes
+    , containers
     , hashable
+    , hspec
     , sqlite-simple
     , text
     , utf8-string
-    , containers
-    , hspec
   default-language: Haskell2010
diff --git a/src/Crypto.hs b/src/Crypto.hs
index 4a1caf4..5744783 100644
--- a/src/Crypto.hs
+++ b/src/Crypto.hs
@@ -21,6 +21,5 @@ encrypt' = caesar_cipher (+)
 decrypt' :: String -> String -> String
 decrypt' = caesar_cipher (-)
 
--- modulo trzeba zrobić
 caesar_cipher :: (Int -> Int -> Int) -> String -> String -> String
 caesar_cipher operation key text = zipWith (\k t -> chr $ mod (operation (ord t) (ord k)) (ord maxBound)) (cycle key) text