Add CouplesController docblocks

app/Http/Controllers/CouplesController.php

@@ -7,11 +7,23 @@ use Illuminate\Http\Request;
 
 class CouplesController extends Controller
 {
+    /**
+     * Display the specified Couple.
+     *
+     * @param  \App\Couple  $couple
+     * @return \Illuminate\View\View
+     */
     public function show(Couple $couple)
     {
         return view('couples.show', compact('couple'));
     }
 
+    /**
+     * Show the form for editing the specified Couple.
+     *
+     * @param  \App\Couple  $couple
+     * @return \Illuminate\View\View
+     */
     public function edit(Couple $couple)
     {
         $this->authorize('edit', $couple);
@@ -19,6 +31,12 @@ class CouplesController extends Controller
         return view('couples.edit', compact('couple'));
     }
 
+    /**
+     * Update the specified Couple in storage.
+     *
+     * @param  \App\Couple  $couple
+     * @return \Illuminate\Http\RedirectResponse
+     */
     public function update(Couple $couple)
     {
         $this->authorize('edit', $couple);
@@ -32,6 +50,6 @@ class CouplesController extends Controller
         $couple->divorce_date = $coupleData['divorce_date'];
         $couple->save();
 
-        return redirect()->route('couples.show', $couple->id);
+        return redirect()->route('couples.show', $couple);
     }
 }