diff --git a/index.bs b/index.bs
index 620628e..b688b90 100644
--- a/index.bs
+++ b/index.bs
@@ -620,7 +620,7 @@ interface RTCEncodedVideoFrame {
The data is a series of OBUs compliant to the
low-overhead bitstream format as described in Section 5 of [[AV1]].
- The
+ The
AV1 aggregation header is not accessible.