diff --git a/src/DI/Extensions/InjectExtension.php b/src/DI/Extensions/InjectExtension.php
index dad04e1ad..514abff05 100644
--- a/src/DI/Extensions/InjectExtension.php
+++ b/src/DI/Extensions/InjectExtension.php
@@ -154,7 +154,7 @@ private static function checkType($class, string $name, ?string $type, $containe
 		} elseif (!class_exists($type) && !interface_exists($type)) {
 			throw new Nette\InvalidStateException("Class or interface '$type' used in @var annotation at $propName not found. Check annotation and 'use' statements.");
 		} elseif ($container && !$container->getByType($type, false)) {
-			throw new Nette\DI\MissingServiceException("Service of type $type used in @var annotation at $propName not found. Did you register it in configuration file?");
+			throw new Nette\DI\MissingServiceException("Service of type $type used in @var annotation at $propName not found. Did you add it in configuration file?");
 		}
 	}
 }
diff --git a/src/DI/Resolver.php b/src/DI/Resolver.php
index 09e8c6da5..58a09073a 100644
--- a/src/DI/Resolver.php
+++ b/src/DI/Resolver.php
@@ -540,7 +540,7 @@ private static function autowireArgument(\ReflectionParameter $parameter, callab
 			if ($res !== null || $parameter->allowsNull()) {
 				return $res;
 			} elseif (class_exists($type) || interface_exists($type)) {
-				throw new ServiceCreationException("Service of type $type needed by $desc not found. Did you register it in configuration file?");
+				throw new ServiceCreationException("Service of type $type needed by $desc not found. Did you add it in configuration file?");
 			} else {
 				throw new ServiceCreationException("Class $type needed by $desc not found. Check type hint and 'use' statements.");
 			}
diff --git a/tests/DI/ContainerBuilder.selfdependency.phpt b/tests/DI/ContainerBuilder.selfdependency.phpt
index fec0fcc27..94b81b4d1 100644
--- a/tests/DI/ContainerBuilder.selfdependency.phpt
+++ b/tests/DI/ContainerBuilder.selfdependency.phpt
@@ -27,4 +27,4 @@ $builder->addDefinition(null)
 
 Assert::exception(function () use ($builder) {
 	createContainer($builder);
-}, Nette\DI\ServiceCreationException::class, 'Service of type Foo: Service of type Foo needed by $foo in __construct() not found. Did you register it in configuration file?');
+}, Nette\DI\ServiceCreationException::class, 'Service of type Foo: Service of type Foo needed by $foo in __construct() not found. Did you add it in configuration file?');
diff --git a/tests/DI/InjectExtension.errors.phpt b/tests/DI/InjectExtension.errors.phpt
index 1e96105cb..d3b43da0a 100644
--- a/tests/DI/InjectExtension.errors.phpt
+++ b/tests/DI/InjectExtension.errors.phpt
@@ -46,7 +46,7 @@ services:
 		factory: ServiceA
 		inject: yes
 ');
-}, InvalidStateException::class, 'Service of type DateTimeImmutable used in @var annotation at ServiceA::$a not found. Did you register it in configuration file?');
+}, InvalidStateException::class, 'Service of type DateTimeImmutable used in @var annotation at ServiceA::$a not found. Did you add it in configuration file?');
 
 
 Assert::exception(function () use ($compiler) {
diff --git a/tests/DI/Resolver.autowireArguments.errors.phpt b/tests/DI/Resolver.autowireArguments.errors.phpt
index 1827031c8..a4e1343ca 100644
--- a/tests/DI/Resolver.autowireArguments.errors.phpt
+++ b/tests/DI/Resolver.autowireArguments.errors.phpt
@@ -15,7 +15,7 @@ require __DIR__ . '/../bootstrap.php';
 
 Assert::exception(function () {
 	Resolver::autowireArguments(new ReflectionFunction(function (stdClass $x) {}), [], function () {});
-}, Nette\DI\ServiceCreationException::class, 'Service of type stdClass needed by $x in {closure}() not found. Did you register it in configuration file?');
+}, Nette\DI\ServiceCreationException::class, 'Service of type stdClass needed by $x in {closure}() not found. Did you add it in configuration file?');
 
 
 Assert::exception(function () {