diff --git a/src/DependencyInjection/Compiler/AddProcessorsPass.php b/src/DependencyInjection/Compiler/AddProcessorsPass.php
index e325ea16..b804f6db 100644
--- a/src/DependencyInjection/Compiler/AddProcessorsPass.php
+++ b/src/DependencyInjection/Compiler/AddProcessorsPass.php
@@ -38,7 +38,7 @@ public function process(ContainerBuilder $container)
 
             foreach ($tags as $tag) {
                 if (!empty($tag['channel']) && !empty($tag['handler'])) {
-                    throw new \InvalidArgumentException(\sprintf('you cannot specify both the "handler" and "channel" attributes for the "monolog.processor" tag on service "%s"', $id));
+                    throw new \InvalidArgumentException(\sprintf('you cannot specify both the "handler" and "channel" attributes for the "monolog.processor" tag on service "%s".', $id));
                 }
 
                 if (!empty($tag['handler'])) {
@@ -49,7 +49,7 @@ public function process(ContainerBuilder $container)
                     }
                     $class = $container->getParameterBag()->resolveValue($parentDef->getClass());
                     if (!method_exists($class, 'pushProcessor')) {
-                        throw new \InvalidArgumentException(\sprintf('The "%s" handler does not accept processors', $tag['handler']));
+                        throw new \InvalidArgumentException(\sprintf('The "%s" handler does not accept processors.', $tag['handler']));
                     }
                 } elseif (!empty($tag['channel'])) {
                     if ('app' === $tag['channel']) {
diff --git a/src/DependencyInjection/Compiler/LoggerChannelPass.php b/src/DependencyInjection/Compiler/LoggerChannelPass.php
index b4c513c0..434f33e1 100644
--- a/src/DependencyInjection/Compiler/LoggerChannelPass.php
+++ b/src/DependencyInjection/Compiler/LoggerChannelPass.php
@@ -97,8 +97,7 @@ public function process(ContainerBuilder $container)
                 try {
                     $logger = $container->getDefinition('app' === $channel ? 'monolog.logger' : 'monolog.logger.'.$channel);
                 } catch (InvalidArgumentException $e) {
-                    $msg = 'Monolog configuration error: The logging channel "'.$channel.'" assigned to the "'.substr($handler, 16).'" handler does not exist.';
-                    throw new \InvalidArgumentException($msg, 0, $e);
+                    throw new \InvalidArgumentException(\sprintf('Monolog configuration error: The logging channel "%s" assigned to the "%s" handler does not exist.', $channel, substr($handler, 16)), 0, $e);
                 }
                 $logger->addMethodCall('pushHandler', [new Reference($handler)]);
             }
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index 1db66fa7..ae176445 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -777,7 +777,7 @@ public function getConfigTreeBuilder(): TreeBuilder
                 ->then(function ($v) {
                     $invalidTags = preg_grep('/^[a-z0-9][a-z0-9\.\-_]*$/i', $v['tags'], \PREG_GREP_INVERT);
                     if (!empty($invalidTags)) {
-                        throw new InvalidConfigurationException(\sprintf('The following Loggly tags are invalid: %s.', implode(', ', $invalidTags)));
+                        throw new InvalidConfigurationException(\sprintf('The following Loggly tags are invalid: "%s".', implode('", "', $invalidTags)));
                     }
 
                     return $v;
@@ -1124,7 +1124,7 @@ private function addChannelsSection(ArrayNodeDefinition $handlerNode)
                                     $isExclusive = true;
                                 } else {
                                     if (true === $isExclusive) {
-                                        throw new InvalidConfigurationException('Cannot combine exclusive/inclusive definitions in channels list');
+                                        throw new InvalidConfigurationException('Cannot combine exclusive/inclusive definitions in channels list.');
                                     }
                                     $elements[] = $element;
                                     $isExclusive = false;
diff --git a/src/DependencyInjection/MonologExtension.php b/src/DependencyInjection/MonologExtension.php
index 77ce0916..73c50ffe 100644
--- a/src/DependencyInjection/MonologExtension.php
+++ b/src/DependencyInjection/MonologExtension.php
@@ -233,7 +233,7 @@ private function buildHandler(ContainerBuilder $container, $name, array $handler
 
                     $publisher->setPublic(false);
                 } else {
-                    throw new \RuntimeException('The gelf handler requires the graylog2/gelf-php package to be installed');
+                    throw new \RuntimeException('The gelf handler requires the graylog2/gelf-php package to be installed.');
                 }
 
                 $definition->setArguments([
@@ -330,7 +330,7 @@ private function buildHandler(ContainerBuilder $container, $name, array $handler
 
             case 'telegram':
                 if (!class_exists('Monolog\Handler\TelegramBotHandler')) {
-                    throw new \RuntimeException('The TelegramBotHandler is not available. Please update "monolog/monolog" to 2.2.0');
+                    throw new \RuntimeException('The TelegramBotHandler is not available. Please update "monolog/monolog" to 2.2.0.');
                 }
 
                 $definition->setArguments([
@@ -916,7 +916,7 @@ private function buildHandler(ContainerBuilder $container, $name, array $handler
                     $nullWarning = ', if you meant to define a null handler in a yaml config, make sure you quote "null" so it does not get converted to a php null';
                 }
 
-                throw new \InvalidArgumentException(\sprintf('Invalid handler type "%s" given for handler "%s"'.$nullWarning, $handler['type'], $name));
+                throw new \InvalidArgumentException(\sprintf('Invalid handler type "%s" given for handler "%s".'.$nullWarning, $handler['type'], $name));
         }
 
         if (!empty($handler['nested']) && true === $handler['nested']) {
diff --git a/tests/DependencyInjection/MonologExtensionTest.php b/tests/DependencyInjection/MonologExtensionTest.php
index c003440f..3efa10e6 100644
--- a/tests/DependencyInjection/MonologExtensionTest.php
+++ b/tests/DependencyInjection/MonologExtensionTest.php
@@ -527,7 +527,7 @@ public function testLogglyHandler()
             ]]]]);
             $this->fail();
         } catch (InvalidConfigurationException $e) {
-            $this->assertStringContainsString('-us, apache$', $e->getMessage());
+            $this->assertSame('The following Loggly tags are invalid: "-us", "apache$".', $e->getMessage());
         }
 
         $container = $this->getContainer([['handlers' => ['loggly' => [