diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 228c5b7..faead71 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,3 +1,7 @@
+/*
+ * Właścicielem tego kodu jest Bartłomiej Janik.
+ */
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.compose)
diff --git a/app/release/app-release.apk b/app/release/app-release.apk
new file mode 100644
index 0000000..1670034
Binary files /dev/null and b/app/release/app-release.apk differ
diff --git a/app/src/androidTest/java/com/bartek/iwentaryzacja/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/bartek/iwentaryzacja/ExampleInstrumentedTest.kt
index d48bc28..1dee65b 100644
--- a/app/src/androidTest/java/com/bartek/iwentaryzacja/ExampleInstrumentedTest.kt
+++ b/app/src/androidTest/java/com/bartek/iwentaryzacja/ExampleInstrumentedTest.kt
@@ -1,3 +1,7 @@
+/*
+ * Właścicielem tego kodu jest Bartłomiej Janik.
+ */
+
 package com.bartek.iwentaryzacja
 
 import androidx.test.platform.app.InstrumentationRegistry
diff --git a/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Color.kt b/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Color.kt
index 5d378ec..fea9d36 100644
--- a/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Color.kt
+++ b/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Color.kt
@@ -1,4 +1,6 @@
 /*
+ * Właścicielem tego kodu jest Bartłomiej Janik.
+ * 
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -17,6 +19,9 @@ package com.bartek.iwentaryzacja.ui.theme
 
 import androidx.compose.ui.graphics.Color
 
+/**
+ * Definicje kolorów używanych w motywie aplikacji.
+ */
 val Purple80 = Color(0xFFD0BCFF)
 val PurpleGrey80 = Color(0xFFCCC2DC)
 val Pink80 = Color(0xFFEFB8C8)
diff --git a/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Theme.kt b/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Theme.kt
index 01cfde3..e7075e7 100644
--- a/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Theme.kt
+++ b/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Theme.kt
@@ -1,4 +1,6 @@
 /*
+ * Właścicielem tego kodu jest Bartłomiej Janik.
+ * 
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -35,18 +37,11 @@ private val LightColorScheme = lightColorScheme(
     primary = Purple40,
     secondary = PurpleGrey40,
     tertiary = Pink40
-
-    /* Other default colors to override
-    background = Color(0xFFFFFBFE),
-    surface = Color(0xFFFFFBFE),
-    onPrimary = Color.White,
-    onSecondary = Color.White,
-    onTertiary = Color.White,
-    onBackground = Color(0xFF1C1B1F),
-    onSurface = Color(0xFF1C1B1F),
-    */
 )
 
+/**
+ * Główny motyw aplikacji inwentARyzacja.
+ */
 @Composable
 fun IwentARyzacjaTheme(
     darkTheme: Boolean = isSystemInDarkTheme(),
diff --git a/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Type.kt b/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Type.kt
index 64e9b89..6ca639d 100644
--- a/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Type.kt
+++ b/app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Type.kt
@@ -1,4 +1,6 @@
 /*
+ * Właścicielem tego kodu jest Bartłomiej Janik.
+ * 
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -21,7 +23,9 @@ import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.sp
 
-// Set of Material typography styles to start with
+/**
+ * Definicje typografii dla interfejsu Compose.
+ */
 val Typography = Typography(
     bodyLarge = TextStyle(
         fontFamily = FontFamily.Default,
@@ -30,20 +34,4 @@ val Typography = Typography(
         lineHeight = 24.sp,
         letterSpacing = 0.5.sp
     )
-    /* Other default text styles to override
-    titleLarge = TextStyle(
-        fontFamily = FontFamily.Default,
-        fontWeight = FontWeight.Normal,
-        fontSize = 22.sp,
-        lineHeight = 28.sp,
-        letterSpacing = 0.sp
-    ),
-    labelSmall = TextStyle(
-        fontFamily = FontFamily.Default,
-        fontWeight = FontWeight.Medium,
-        fontSize = 11.sp,
-        lineHeight = 16.sp,
-        letterSpacing = 0.5.sp
-    )
-    */
 )
\ No newline at end of file
diff --git a/app/src/test/java/com/bartek/iwentaryzacja/ExampleUnitTest.kt b/app/src/test/java/com/bartek/iwentaryzacja/ExampleUnitTest.kt
index ea81864..67ebd60 100644
--- a/app/src/test/java/com/bartek/iwentaryzacja/ExampleUnitTest.kt
+++ b/app/src/test/java/com/bartek/iwentaryzacja/ExampleUnitTest.kt
@@ -1,3 +1,7 @@
+/*
+ * Właścicielem tego kodu jest Bartłomiej Janik.
+ */
+
 package com.bartek.iwentaryzacja
 
 import org.junit.Test
diff --git a/update.json b/update.json
index df71dd7..adea6fc 100644
--- a/update.json
+++ b/update.json
@@ -1,4 +1,4 @@
 {
-  "versionCode": 4,
-  "url": "bbjsolution.org/AR/InwentARyzacja/releases/download/ver1.1/ver1.1.apk"
+  "versionCode": 2,
+  "isLocked": false
 }
\ No newline at end of file