diff --git a/src/Sql/Predicate/Predicate.php b/src/Sql/Predicate/Predicate.php
index a7d901d7bf..2158034514 100644
--- a/src/Sql/Predicate/Predicate.php
+++ b/src/Sql/Predicate/Predicate.php
@@ -70,8 +70,8 @@ public function unnest()
      *
      * Utilizes Operator predicate
      *
-     * @param  int|float|bool|string $left
-     * @param  int|float|bool|string $right
+     * @param  int|float|bool|string|Expression $left
+     * @param  int|float|bool|string|Expression $right
      * @param  string $leftType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_IDENTIFIER {@see allowedTypes}
      * @param  string $rightType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_VALUE {@see allowedTypes}
      * @return self Provides a fluent interface
@@ -92,8 +92,8 @@ public function equalTo($left, $right, $leftType = self::TYPE_IDENTIFIER, $right
      *
      * Utilizes Operator predicate
      *
-     * @param  int|float|bool|string $left
-     * @param  int|float|bool|string $right
+     * @param  int|float|bool|string|Expression $left
+     * @param  int|float|bool|string|Expression $right
      * @param  string $leftType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_IDENTIFIER {@see allowedTypes}
      * @param  string $rightType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_VALUE {@see allowedTypes}
      * @return self Provides a fluent interface
@@ -114,8 +114,8 @@ public function notEqualTo($left, $right, $leftType = self::TYPE_IDENTIFIER, $ri
      *
      * Utilizes Operator predicate
      *
-     * @param  int|float|bool|string $left
-     * @param  int|float|bool|string $right
+     * @param  int|float|bool|string|Expression $left
+     * @param  int|float|bool|string|Expression $right
      * @param  string $leftType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_IDENTIFIER {@see allowedTypes}
      * @param  string $rightType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_VALUE {@see allowedTypes}
      * @return self Provides a fluent interface
@@ -136,8 +136,8 @@ public function lessThan($left, $right, $leftType = self::TYPE_IDENTIFIER, $righ
      *
      * Utilizes Operator predicate
      *
-     * @param  int|float|bool|string $left
-     * @param  int|float|bool|string $right
+     * @param  int|float|bool|string|Expression $left
+     * @param  int|float|bool|string|Expression $right
      * @param  string $leftType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_IDENTIFIER {@see allowedTypes}
      * @param  string $rightType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_VALUE {@see allowedTypes}
      * @return self Provides a fluent interface
@@ -158,8 +158,8 @@ public function greaterThan($left, $right, $leftType = self::TYPE_IDENTIFIER, $r
      *
      * Utilizes Operator predicate
      *
-     * @param  int|float|bool|string $left
-     * @param  int|float|bool|string $right
+     * @param  int|float|bool|string|Expression $left
+     * @param  int|float|bool|string|Expression $right
      * @param  string $leftType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_IDENTIFIER {@see allowedTypes}
      * @param  string $rightType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_VALUE {@see allowedTypes}
      * @return self Provides a fluent interface
@@ -180,8 +180,8 @@ public function lessThanOrEqualTo($left, $right, $leftType = self::TYPE_IDENTIFI
      *
      * Utilizes Operator predicate
      *
-     * @param  int|float|bool|string $left
-     * @param  int|float|bool|string $right
+     * @param  int|float|bool|string|Expression $left
+     * @param  int|float|bool|string|Expression $right
      * @param  string $leftType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_IDENTIFIER {@see allowedTypes}
      * @param  string $rightType TYPE_IDENTIFIER or TYPE_VALUE by default TYPE_VALUE {@see allowedTypes}
      * @return self Provides a fluent interface