diff --git a/doc/draft-ietf-codec-opus.xml b/doc/draft-ietf-codec-opus.xml
index b13cc82663b804be8babb365a9217972d5e21c10..5ebbcdb9a59aa34e8feb2264e45bd2e64e2c526a 100644
--- a/doc/draft-ietf-codec-opus.xml
+++ b/doc/draft-ietf-codec-opus.xml
@@ -6934,6 +6934,10 @@ Development snapshots are provided at
 
 <section anchor="test-vectors" title="Test vectors">
 <t>
+Because of size constraints, the Opus test vectors are not distributed in this
+draft. They are available from the Opus codec website at 
+<eref target="http://opus-codec.org/testvectors/"/> and will also be made available
+in IETF meeting proceedings.
 </t>
 </section>
 
diff --git a/tests/run_vectors.sh b/tests/run_vectors.sh
index c54c309fe6b0858cbebcd1365d48b4ff57840d1a..fae47b18b92a27607c2154b00c2914d028d66836 100755
--- a/tests/run_vectors.sh
+++ b/tests/run_vectors.sh
@@ -1,5 +1,10 @@
 #!/bin/sh
 
+if [ "$#" -ne "2" ]; then
+    echo "usage: run_vectors.sh <exec path> <vector path>"
+    exit 1
+fi
+
 CMD_PATH=$1
 VECTOR_PATH=$2