diff --git a/app/src/Config.php b/app/src/Config.php
index 8b30076..7807c8e 100644
--- a/app/src/Config.php
+++ b/app/src/Config.php
@@ -16,7 +16,7 @@ class Config
     }
 
     /**
-     * Get the value of a configuration vairable.
+     * Get the value of a configuration variable.
      *
      * @param string $key     The unique configuration variable ID
      * @param mixed  $default Default value to return if no environment variable is set