diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..c7efda6
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,50 @@
+
+{
+  // Automatically created by phoityne-vscode extension.
+
+  "version": "2.0.0",
+  "presentation": {
+    "reveal": "always",
+    "panel": "new"
+  },
+  "tasks": [
+    {
+      // F7
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      },
+      "label": "haskell build",
+      "type": "shell",
+      //"command": "cabal configure && cabal build"
+      "command": "stack build"
+    },
+    {
+      // F6
+      "group": "build",
+      "type": "shell",
+      "label": "haskell clean & build",
+      //"command": "cabal clean && cabal configure && cabal build"
+      "command": "stack clean && stack build"
+      //"command": "stack clean ; stack build"  // for powershell
+    },
+    {
+      // F8
+      "group": {
+        "kind": "test",
+        "isDefault": true
+      },
+      "type": "shell",
+      "label": "haskell test",
+      //"command": "cabal test"
+      "command": "stack test"
+    },
+    {
+      // F6
+      "isBackground": true,
+      "type": "shell",
+      "label": "haskell watch",
+      "command": "stack build --test --no-run-tests --file-watch"
+    }
+  ]
+}
diff --git a/src/Main.hs b/src/Main.hs
index 69964fe..455d784 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -9,21 +9,24 @@ import Data.Maybe
  - Шифр цезаря
  - Шифр простой замены
  - Шифр Атбаша
+ - Шифр транспонирования
  -}
 
--- Шифр Атбаша. Простой шифр с заменой алфавита
+-- Шифр Цезаря. Сдвиг на N символов в X сторону.
+
+-- Шифр Атбаша. Инверсия алфавита.
 -- a = e, r=d и т.д.
 
 atbashEnc :: String -> String
 atbashEnc input = do
   let alp = ['a'..'z']
-  let encAlp = "qadewsrgfthuyjkiolpzcxvnbm"
+  let encAlp = reverse alp
   map (\x -> encAlp !! (fromJust (elemIndex x alp))) input
 -- Декодер
 atbashDec :: String -> String
 atbashDec input = do
   let alp = ['a'..'z']
-  let encAlp = "qadewsrgfthuyjkiolpzcxvnbm"
+  let encAlp = reverse alp
   map (\x -> alp !! (fromJust (elemIndex x encAlp))) input
 
 -- Простейший шифр, просто сдвигает алфавит на 1
@@ -38,10 +41,10 @@ simpliestDec input =
 
 main :: IO ()
 main = do
-  putStrLn "Simpliest encoding, just +1 to each letter:"
+  putStrLn "Простейшее шифрование, просто сдвигаем алфавит:"
   print (simpliestEnc "abcdefz")
   print . simpliestDec $ "bcdefg{"
-  putStrLn "atbash Encryption, changing 1 alphabet to another:"
+  putStrLn "Шифр Атбаша, переворот алфавита:"
   print . atbashEnc $ "test"
   print . atbashDec $ ( atbashEnc "test" )