4 files changed, 5 insertions, 5 deletions
diff --git a/src/Components/DataType.php b/src/Components/DataType.php
index 0d8dea3..d19d434 100644
--- a/src/Components/DataType.php
+++ b/src/Components/DataType.php
@@ -94,7 +94,7 @@ class DataType extends Component
      * @param TokensList $list    the list of tokens that are being parsed
      * @param array      $options parameters for parsing
      *
-     * @return DataType
+     * @return DataType|null
      */
     public static function parse(Parser $parser, TokensList $list, array $options = array())
     {
diff --git a/src/Components/Expression.php b/src/Components/Expression.php
index 67767dc..2cf119b 100644
--- a/src/Components/Expression.php
+++ b/src/Components/Expression.php
@@ -153,7 +153,7 @@ class Expression extends Component
      * @param TokensList $list    the list of tokens that are being parsed
      * @param array      $options parameters for parsing
      *
-     * @return Expression
+     * @return Expression|null
      */
     public static function parse(Parser $parser, TokensList $list, array $options = array())
     {
diff --git a/src/Components/IntoKeyword.php b/src/Components/IntoKeyword.php
index a31f6a0..dea5d9d 100644
--- a/src/Components/IntoKeyword.php
+++ b/src/Components/IntoKeyword.php
@@ -118,7 +118,7 @@ class IntoKeyword extends Component
      * @param array             $columns        column list of destination
      * @param array             $values         selected fields
      * @param OptionsArray      $fields_options options for FIELDS/COLUMNS keyword
-     * @param OptionsArray      $fields_keyword options for OPTINOS keyword
+     * @param bool              $fields_keyword options for OPTIONS keyword
      */
     public function __construct(
         $type = null,
diff --git a/src/Components/UnionKeyword.php b/src/Components/UnionKeyword.php
index 2de5126..6867615 100644
--- a/src/Components/UnionKeyword.php
+++ b/src/Components/UnionKeyword.php
@@ -18,8 +18,8 @@ use PhpMyAdmin\SqlParser\Component;
 class UnionKeyword extends Component
 {
     /**
-     * @param UnionKeyword[] $component the component to be built
-     * @param array          $options   parameters for building
+     * @param array<UnionKeyword[]> $component the component to be built
+     * @param array                 $options   parameters for building
      *
      * @return string
      */