diff --git a/README.adoc b/README.adoc
index 72400a5..12f07dd 100644
--- a/README.adoc
+++ b/README.adoc
@@ -64,7 +64,8 @@ emerge -a app-text/epubgrep
 * link:{uri-libarchive}[libarchive] (tested: 3.5 / 3.2)
 * link:{uri-fmt}[fmt] (tested: 7.0 / 4.0)
 * link:{uri-asciidoc}[AsciiDoc] (tested: 8.6 / 9.0)
-* link:{uri-termcolor}[Termcolor] (tested: 2.0)
+* link:{uri-termcolor}[Termcolor] (tested: 2.0) (If not found, the bundled
+  version is used.)
 * Optional
   ** Tests: link:{uri-catch}[Catch] (tested: 2.13 / 1.10)