diff --git a/src/Core/Hooks/Capabilities/ICanManageInstances.php b/src/Core/Hooks/Capabilities/ICanManageInstances.php
index 08802a08e6..d6a7f244c7 100644
--- a/src/Core/Hooks/Capabilities/ICanManageInstances.php
+++ b/src/Core/Hooks/Capabilities/ICanManageInstances.php
@@ -35,8 +35,8 @@ interface ICanManageInstances
 	 * @see https://refactoring.guru/design-patterns/strategy
 	 *
 	 * @param string $interface The interface, which the given class implements
-	 * @param string $name      The name of the given class, which will be used for factories, dependency injections etc.
-	 * @param string $class     The class of the given class
+	 * @param string $name      An arbitrary identifier for the given class, which will be used for factories, dependency injections etc.
+	 * @param string $class     The fully-qualified given class name
 	 * @param ?array  $arguments Additional arguments, which can be passed to the constructor
 	 *
 	 * @return $this This interface for chain-calls
@@ -51,8 +51,8 @@ interface ICanManageInstances
 	 *
 	 * @note Decorator attach new behaviors to classes without changing them or without letting them know about it.
 	 *
-	 * @param string $class          The class or interface, which gets decorated by a class
-	 * @param string $decoratorClass The class, which mimics the given class or interface and adds new functionality
+	 * @param string $class          The fully-qualified class or interface name, which gets decorated by a class
+	 * @param string $decoratorClass The fully-qualified name of the class which mimics the given class or interface and adds new functionality
 	 * @param array  $arguments      Additional arguments, which can be passed to the constructor of "decoratorClass"
 	 *
 	 * @return $this This interface for chain-calls
@@ -69,7 +69,7 @@ interface ICanManageInstances
 	 * In case, there are registered decorators for this class as well, all decorators of the list will be wrapped
 	 * around the instance before returning it
 	 *
-	 * @param string $class     A given class or interface, which will get returned
+	 * @param string $class     The fully-qualified name of the given class or interface which will get returned
 	 * @param string $name      The name of the concrete class, wich
 	 * @param array  $arguments Additional arguments, which can be passed to the constructor of "$class" at runtime
 	 *
diff --git a/src/Core/Hooks/Model/InstanceManager.php b/src/Core/Hooks/Model/InstanceManager.php
index 7a3697062d..7bfcfa420d 100644
--- a/src/Core/Hooks/Model/InstanceManager.php
+++ b/src/Core/Hooks/Model/InstanceManager.php
@@ -67,7 +67,7 @@ class InstanceManager implements ICanManageInstances
 	public function registerDecorator(string $class, string $decoratorClass, array $arguments = []): ICanManageInstances
 	{
 		if (!is_a($decoratorClass, $class, true)) {
-			throw new HookRegisterArgumentException(sprintf('%s is not a valid subsituation for the given class or interface %s', $decoratorClass, $class));
+			throw new HookRegisterArgumentException(sprintf('%s is not a valid substitution for the given class or interface %s', $decoratorClass, $class));
 		}
 
 		$this->decorator[$class][] = [