diff --git a/bip-0105.mediawiki b/bip-0105.mediawiki
index cbd309d5..c4f0a099 100644
--- a/bip-0105.mediawiki
+++ b/bip-0105.mediawiki
@@ -88,7 +88,8 @@ the next 2016 blocks.
 Blocks that are larger than the calculated base block size limit are invalid and
 will be rejected.
 
-The base block size limit may not reduce below 1MB or increase above 8MB.
+The base block size limit may not reduce below 1MB or increase above 8MB (the exact
+number for the upper limit requires further discussion).
 
 
 ==Acknowledgements==