diff --git a/README.md b/README.md
index b096fe1..22d5c9c 100644
--- a/README.md
+++ b/README.md
@@ -346,9 +346,9 @@ mappy` or [from BioConda][mappyconda] via `conda install -c bioconda mappy`.
   possible to add non-SIMD support, but it would make minimap2 slower by
   several times.
 
-* Minimap2 does not work with a single query or database sequence up to ~2
-  billion bases (2,147,483,647 to be exact). The total length of all sequences
-  can well exceed this threshold.
+* Minimap2 does not work with a single query or database sequence ~2
+  billion bases or longer (2,147,483,647 to be exact). The total length of all
+  sequences can well exceed this threshold.