diff --git a/bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxUploadWorker.java b/bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxUploadWorker.java
index 22eca1e9a..e0f3496a1 100644
--- a/bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxUploadWorker.java
+++ b/bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxUploadWorker.java
@@ -48,7 +48,7 @@ class MailboxUploadWorker implements MailboxWorker, ConnectivityObserver,
 		EventListener {
 
 	/**
-	 * When the worker is started is checks for data to send. If data is ready
+	 * When the worker is started it checks for data to send. If data is ready
 	 * to send, the worker waits for a connectivity check, then writes and
 	 * uploads a file and checks again for data to send.
 	 * <p>