doc: fix appearance of AUTOENV_DEBUG in README

diff --git a/README.md b/README.md
index 78578ccdea7ec2aff218c7b087c8e05db85ee4e5..0f88ba0ff17ee2fb3ba2a496e37498bed3b9478b 100644 (file)
--- a/README.md
+++ b/README.md
@@ -112,7 +112,7 @@ Default: `1`
 
 Default: 0
 
-### `AUTOENV_DEBUG`
+### AUTOENV\_DEBUG
 Enable debugging. Multiple levels are supported (max 2).
 
 Default: `0`