diff --git a/howto-build-android.md b/howto-build-android.md
index cabba2588..1ac0a2ed4 100644
--- a/howto-build-android.md
+++ b/howto-build-android.md
@@ -101,8 +101,8 @@ We need to generate project settings like app name, app icon, package name, etc.
 
 Please pick what app you want to build: cakewallet or monero.com.
 
-`$ ./app_env.sh <cakewallet OR monero.com>`
-(it should be like `$ ./app_env.sh cakewallet` or `$ ./app_env.sh monero.com`)
+`$ source ./app_env.sh <cakewallet OR monero.com>`
+(it should be like `$ source ./app_env.sh cakewallet` or `$ source ./app_env.sh monero.com`)
 
 Then run configuration script for setup app name, app icon and etc:
 
@@ -158,6 +158,6 @@ Finally build mobx models for the app:
 
 ### 9. Build!
 
-`$ flutter build apk —release`
+`$ flutter build apk --release`
 
 Copyright (c) 2022 Cake Technologies LLC.
diff --git a/scripts/android/app_env.sh b/scripts/android/app_env.sh
index 496bdc59f..dc1a15c44 100755
--- a/scripts/android/app_env.sh
+++ b/scripts/android/app_env.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 APP_ANDROID_NAME=""
 APP_ANDROID_VERSION=""
@@ -51,4 +51,4 @@ export APP_ANDROID_NAME
 export APP_ANDROID_VERSION
 export APP_ANDROID_BUILD_NUMBER
 export APP_ANDROID_BUNDLE_ID
-export APP_ANDROID_PACKAGE
\ No newline at end of file
+export APP_ANDROID_PACKAGE