diff --git a/src/Illuminate/Foundation/Configuration/Middleware.php b/src/Illuminate/Foundation/Configuration/Middleware.php
index b729b99badd7..52cf908d61d9 100644
--- a/src/Illuminate/Foundation/Configuration/Middleware.php
+++ b/src/Illuminate/Foundation/Configuration/Middleware.php
@@ -146,18 +146,18 @@ class Middleware
     protected $priority = [];
 
     /**
-     * The middleware priority to append.
+     * The middleware to prepend to the middleware priority definition.
      *
      * @var array
      */
-    protected $appendPriority = [];
+    protected $prependPriority = [];
 
     /**
-     * The middleware priority to prepend.
+     * The middleware to append to the middleware priority definition.
      *
      * @var array
      */
-    protected $prependPriority = [];
+    protected $appendPriority = [];
 
     /**
      * Prepend middleware to the application's global middleware stack.
@@ -415,29 +415,29 @@ public function priority(array $priority)
     }
 
     /**
-     * Append middleware to the priority middleware.
+     * Prepend middleware to the priority middleware.
      *
-     * @param  array|string  $after
-     * @param  string  $append
+     * @param  array|string  $before
+     * @param  string  $prepend
      * @return $this
      */
-    public function appendToPriorityList($after, $append)
+    public function prependToPriorityList($before, $prepend)
     {
-        $this->appendPriority[$append] = $after;
+        $this->prependPriority[$prepend] = $before;
 
         return $this;
     }
 
     /**
-     * Prepend middleware to the priority middleware.
+     * Append middleware to the priority middleware.
      *
-     * @param  array|string  $before
-     * @param  string  $prepend
+     * @param  array|string  $after
+     * @param  string  $append
      * @return $this
      */
-    public function prependToPriorityList($before, $prepend)
+    public function appendToPriorityList($after, $append)
     {
-        $this->prependPriority[$prepend] = $before;
+        $this->appendPriority[$append] = $after;
 
         return $this;
     }
@@ -810,22 +810,22 @@ public function getMiddlewarePriority()
     }
 
     /**
-     * Get the middleware priority to append.
+     * Get the middleware to prepend to the middleware priority definition.
      *
      * @return array
      */
-    public function getMiddlewarePriorityAppends()
+    public function getMiddlewarePriorityPrepends()
     {
-        return $this->appendPriority;
+        return $this->prependPriority;
     }
 
     /**
-     * Get the middleware priority to prepend.
+     * Get the middleware to append to the middleware priority definition.
      *
      * @return array
      */
-    public function getMiddlewarePriorityPrepends()
+    public function getMiddlewarePriorityAppends()
     {
-        return $this->prependPriority;
+        return $this->appendPriority;
     }
 }