diff --git a/framework/db/ActiveRecordInterface.php b/framework/db/ActiveRecordInterface.php
index b1736c0cea..b5a7539c66 100644
--- a/framework/db/ActiveRecordInterface.php
+++ b/framework/db/ActiveRecordInterface.php
@@ -254,7 +254,7 @@ interface ActiveRecordInterface
      *
      * @param array $attributes attribute values (name-value pairs) to be saved for the record.
      * Unlike [[update()]] these are not going to be validated.
-     * @param string|array $condition the condition that matches the records that should get updated.
+     * @param array $condition the condition that matches the records that should get updated.
      * Please refer to [[QueryInterface::where()]] on how to specify this parameter.
      * An empty condition will match all records.
      * @return int the number of rows updated
@@ -271,7 +271,7 @@ interface ActiveRecordInterface
      * Customer::deleteAll([status = 3]);
      * ```
      *
-     * @param string|array $condition the condition that matches the records that should get deleted.
+     * @param array $condition the condition that matches the records that should get deleted.
      * Please refer to [[QueryInterface::where()]] on how to specify this parameter.
      * An empty condition will match all records.
      * @return int the number of rows deleted
diff --git a/framework/db/QueryInterface.php b/framework/db/QueryInterface.php
index 2f52eac704..0192543f10 100644
--- a/framework/db/QueryInterface.php
+++ b/framework/db/QueryInterface.php
@@ -153,7 +153,7 @@ interface QueryInterface
      * - Additionally you can specify arbitrary operators as follows: A condition of `['>=', 'id', 10]` will result in the
      *   following SQL expression: `id >= 10`.
      *
-     * @param string|array $condition the conditions that should be put in the WHERE part.
+     * @param array $condition the conditions that should be put in the WHERE part.
      * @return $this the query object itself
      * @see andWhere()
      * @see orWhere()
@@ -163,7 +163,7 @@ interface QueryInterface
     /**
      * Adds an additional WHERE condition to the existing one.
      * The new condition and the existing one will be joined using the 'AND' operator.
-     * @param string|array $condition the new WHERE condition. Please refer to [[where()]]
+     * @param array $condition the new WHERE condition. Please refer to [[where()]]
      * on how to specify this parameter.
      * @return $this the query object itself
      * @see where()
@@ -174,7 +174,7 @@ interface QueryInterface
     /**
      * Adds an additional WHERE condition to the existing one.
      * The new condition and the existing one will be joined using the 'OR' operator.
-     * @param string|array $condition the new WHERE condition. Please refer to [[where()]]
+     * @param array $condition the new WHERE condition. Please refer to [[where()]]
      * on how to specify this parameter.
      * @return $this the query object itself
      * @see where()
diff --git a/framework/db/QueryTrait.php b/framework/db/QueryTrait.php
index 54870fdd08..5b9a1233d2 100644
--- a/framework/db/QueryTrait.php
+++ b/framework/db/QueryTrait.php
@@ -85,7 +85,7 @@ trait QueryTrait
      *
      * See [[QueryInterface::where()]] for detailed documentation.
      *
-     * @param string|array $condition the conditions that should be put in the WHERE part.
+     * @param array $condition the conditions that should be put in the WHERE part.
      * @return $this the query object itself
      * @see andWhere()
      * @see orWhere()
@@ -99,7 +99,7 @@ trait QueryTrait
     /**
      * Adds an additional WHERE condition to the existing one.
      * The new condition and the existing one will be joined using the 'AND' operator.
-     * @param string|array $condition the new WHERE condition. Please refer to [[where()]]
+     * @param array $condition the new WHERE condition. Please refer to [[where()]]
      * on how to specify this parameter.
      * @return $this the query object itself
      * @see where()
@@ -119,7 +119,7 @@ trait QueryTrait
     /**
      * Adds an additional WHERE condition to the existing one.
      * The new condition and the existing one will be joined using the 'OR' operator.
-     * @param string|array $condition the new WHERE condition. Please refer to [[where()]]
+     * @param array $condition the new WHERE condition. Please refer to [[where()]]
      * on how to specify this parameter.
      * @return $this the query object itself
      * @see where()