be keen to newcomers

ChoiceList/ArrayChoiceList.php

@@ -78,7 +78,7 @@ public function __construct($choices, callable $value = null)
             // If a deterministic value generator was passed, use it later
             $this->valueCallback = $value;
         } else {
-            // Otherwise simply generate incrementing integers as values
+            // Otherwise generate incrementing integers as values
             $i = 0;
             $value = function () use (&$i) {
                 return $i++;

ChoiceList/LazyChoiceList.php

@@ -32,7 +32,7 @@ class LazyChoiceList implements ChoiceListInterface
     /**
      * The callable creating string values for each choice.
      *
-     * If null, choices are simply cast to strings.
+     * If null, choices are cast to strings.
      *
      * @var callable|null
      */

Form.php

@@ -42,9 +42,9 @@
  *
  * In most cases, format (1) and format (2) will be the same. For example,
  * a checkbox field uses a Boolean value for both internal processing and
- * storage in the object. In these cases you simply need to set a view
- * transformer to convert between formats (2) and (3). You can do this by
- * calling addViewTransformer().
+ * storage in the object. In these cases you need to set a view transformer
+ * to convert between formats (2) and (3). You can do this by calling
+ * addViewTransformer().
  *
  * In some cases though it makes sense to make format (1) configurable. To
  * demonstrate this, let's extend our above date field to store the value

FormRenderer.php

@@ -163,7 +163,7 @@ public function searchAndRenderBlock(FormView $view, $blockNameSuffix, array $va
         // "form_widget" in this example (again, no matter in which theme).
         // If the designer wants to explicitly fallback to "form_widget" in their
         // custom "choice_widget", for example because they only want to wrap
-        // a <div> around the original implementation, they can simply call the
+        // a <div> around the original implementation, they can call the
         // widget() function again to render the block for the parent type.
         //
         // The second kind is implemented in the following blocks.