typo

thanks @twogee
diff --git a/WHATSNEW b/WHATSNEW
index 0f69bd2..7991cd4 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -18,7 +18,7 @@
    the shorter alias names.
    Bugzilla Report 65539
 
- * <scp> may leak connections when trying to preserve the las modified
+ * <scp> may leak connections when trying to preserve the last modified
    timestamps of files transferred recursively from a server.
    Bugzilla Report 66001