diff --git a/README.md b/README.md
index 51fa0b3..d0c84c2 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,15 @@ podman run -v $PWD:/w -w /w --rm golang go run go.balki.me/certinfo@latest foo.c
 ```
 docker run -v $PWD:/w -w /w --rm golang go run go.balki.me/certinfo@latest foo.crt
 ```
+
+---
+
+Prefer to use the ugly openssl CLI instead ?
+
+```
+openssl x509 -in foo.crt -text -noout
+```
+
+```
+podman run -v $PWD:/w -w /w --rm archlinux openssl x509 -in foo.crt -text -noout
+```