Update local-development.md

Author: grasmash

readme/local-development.md

@@ -67,7 +67,7 @@ In order to use a custom version of Drush (required by BLT) with Dev Desktop, yo
 1. Add the following lines to `~/.bash_profile`:
 
         export PATH="/Applications/DevDesktop/mysql/bin:$PATH"
-        export DEVDESKTOP_DRUPAL_SETTINGS_DIR="~/.acquia/DevDesktop/DrupalSettings"
+        export DEVDESKTOP_DRUPAL_SETTINGS_DIR="$HOME/.acquia/DevDesktop/DrupalSettings"
 
 1. Ensure that Dev Desktop's PHP binary is being used on the CLI. You can check this via `which php`. 
 1. Enable the usage of environmental variables by adding the following line to `php.ini`, which you can locate with `php --ini`: