diff --git a/src/Server/Logger/WebsocketLogger.php b/src/Server/Logger/WebsocketLogger.php
index 4a8f0ed..bcbe5ba 100644
--- a/src/Server/Logger/WebsocketLogger.php
+++ b/src/Server/Logger/WebsocketLogger.php
@@ -56,7 +56,7 @@ class WebsocketLogger extends Logger implements MessageComponentInterface
 
         $appId = $connection->client->appId ?? 'Unknown app id';
 
-        $message = "{$appId}: exception `{$exceptionClass}` thrown: `{$exception->getMessage()}`";
+        $message = "{$appId}: exception `{$exceptionClass}` thrown: `{$exception->getMessage()}`.";
 
         if ($this->verbose) {
             $message .= $exception->getTraceAsString();
diff --git a/src/WebSockets/Channels/ChannelManager.php b/src/WebSockets/Channels/ChannelManager.php
index b8cd4f4..9f4e22f 100644
--- a/src/WebSockets/Channels/ChannelManager.php
+++ b/src/WebSockets/Channels/ChannelManager.php
@@ -51,8 +51,14 @@ class ChannelManager
             return;
         }
 
+        /**
+         * Remove the connection from all channels.
+         */
         collect($this->channels[$connection->client->appId])->each->unsubscribe($connection);
 
+        /**
+         * Unset all channels that have no connections so we don't leak memory.
+         */
         collect($this->channels[$connection->client->appId])
             ->reject->hasConnections()
             ->each(function (Channel $channel, string $channelId) use ($connection) {