diff --git a/framework/base/Component.php b/framework/base/Component.php
index ee17b7e4c1..21880846fc 100644
--- a/framework/base/Component.php
+++ b/framework/base/Component.php
@@ -566,7 +566,7 @@ class Component extends Object
 
     /**
      * Returns all behaviors attached to this component.
-     * @return Behavior[]|null list of behaviors attached to this component
+     * @return Behavior[] list of behaviors attached to this component
      */
     public function getBehaviors()
     {
diff --git a/framework/base/Module.php b/framework/base/Module.php
index e310eec14a..e631d87498 100644
--- a/framework/base/Module.php
+++ b/framework/base/Module.php
@@ -305,7 +305,7 @@ class Module extends ServiceLocator
     /**
      * Returns current module version.
      * If version is not explicitly set, [[defaultVersion()]] method will be used to determine its value.
-     * @return string|callable the version of this module.
+     * @return string the version of this module.
      * @since 2.0.11
      */
     public function getVersion()
@@ -342,7 +342,7 @@ class Module extends ServiceLocator
     /**
      * Returns default module version.
      * Child class may override this method to provide more specific version detection.
-     * @return string|callable the version of this module.
+     * @return string the version of this module.
      * @since 2.0.11
      */
     protected function defaultVersion()