Fix getFileMultiple() usage

Author: jim-parry

user_guide_src/source/incoming/incomingrequest.rst

@@ -257,9 +257,10 @@ You can retrieve a single file uploaded on its own, based on the filename given
 
 	$file = $request->getFile('uploadedfile');
 
-You can retrieve a single file uploaded as part of multiple ones, based on the filename given in the HTML file input::
+You can retrieve an array of same-named files uploaded as part of a 
+multi-file upload, based on the filename given in the HTML file input::
 
-	$file = $request->getFileMultiple('uploadedfile');
+	$files = $request->getFileMultiple('uploadedfile');
 
 Content Negotiation
 ----------------------------------------------------------------------------

user_guide_src/source/libraries/uploaded_files.rst

@@ -126,11 +126,9 @@ In controller::
 	$file1 = $this->request->getFile('images.0');
 	$file2 = $this->request->getFile('images.1');
 
-You can access individual files uploaded at the same time, but with different names,
-using ``getFileMultiple()``::
+You might find it easier to use ``getFileMultiple()``, to get an array of uploaded files with the same name::
 
-	$file1 = $this->request->getFileMultiple('somefile');
-	$file2 = $this->request->getFileMultiple('adifferentfile');
+	$files = $this->request->getFileMultiple('images');
 
 
 Another example::

user_guide_src/source/libraries/validation.rst

@@ -131,7 +131,7 @@ this code and save it to your **app/Controllers/** folder::
 			if (! $this->validate([]))
 			{
 				echo view('Signup', [
-					'validation' => $this->validation
+					'validation' => $this->validator
 				]);
 			}
 			else