From e9f44f2ff5cc17edb718051a689c7c1f7a0908b5 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Wed, 5 Oct 2016 13:54:15 +0300
Subject: README update

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'README.md')

diff --git a/README.md b/README.md
index ce7dbc1..11fb20c 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Limitations
 
 Only alphanumeric variable names are supported.
 Speaking more precisely, directory names must match the
-`^%[_[:alpha:]][_[:alnum:]]+%$` regular expression.
+`^%[_[:alpha:]][_[:alnum:]]*%$` regular expression.
 This means that, for example, the environment variable `ProgramFiles(x86)` is
 not supported.
 
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