diff --git a/configs/b-l475e-iot01a/README.txt b/configs/b-l475e-iot01a/README.txt
index 0b226478d7b..3ef84e7f234 100644
--- a/configs/b-l475e-iot01a/README.txt
+++ b/configs/b-l475e-iot01a/README.txt
@@ -494,4 +494,7 @@ Configuration sub-directories
        or of the star hub.
 
     STATUS:
-      2017-08-05:  Configurations added.
+      2017-08-05:  Configurations added.  Early testing suggests that there is
+        a problem when packets are received from multiple sources at high rates:
+        New incoming packets appear to cause RX FIFO errors and the driver does
+        not recover well.
diff --git a/net/sixlowpan/sixlowpan_framelist.c b/net/sixlowpan/sixlowpan_framelist.c
index b8a1ebf19b4..004e4a75373 100644
--- a/net/sixlowpan/sixlowpan_framelist.c
+++ b/net/sixlowpan/sixlowpan_framelist.c
@@ -327,7 +327,7 @@ static int sixlowpan_pktradio_metadata(FAR struct sixlowpan_driver_s *radio,
          radio->r_dev.d_mac.sixlowpan.nv_addrlen);
 
   /* Set the destination address.
-   * REVISIT: Do wee need to check for multicast or broadcast addresses
+   * REVISIT: Do we need to check for multicast or broadcast addresses
    * here?
    */