Update README.md

Fix usage documentation for dns_nsupdate. The NSUPDATE_KEY env needs to be a path to a file.
pull/860/head
Mark Felder 8 years ago committed by GitHub
parent 048059ba1f
commit 7eea9533e8

@ -140,7 +140,7 @@ Finally, make the DNS server and update Key available to `acme.sh`
```
export NSUPDATE_SERVER="dns.example.com"
export NSUPDATE_KEY="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa=="
export NSUPDATE_KEY="/path/to/your/nsupdate.key"
```
Ok, let's issue a cert now:

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