docs: typo

Co-authored-by: Niek <100143256+SchoNie@users.noreply.github.com>

docs/README.md

@@ -421,7 +421,7 @@ If you are running the container in a virtualized environment (Hyper-V, VirtualB
 
 [acme-companion](https://github.com/nginx-proxy/acme-companion) is a lightweight companion container for the nginx-proxy. It allows the automated creation/renewal of SSL certificates using the ACME protocol.
 
-By default nginx-proxy generates location blocks to handle ACME HTTP Challenge. Ths behavior can be changed with environment variable `ACME_HTTP_CHALLENGE_LOCATION`. It accepts these values:
+By default nginx-proxy generates location blocks to handle ACME HTTP Challenge. This behavior can be changed with environment variable `ACME_HTTP_CHALLENGE_LOCATION`. It accepts these values:
 
 - `true`: default behavior, handle ACME HTTP Challenge in all cases.
 - `false`: do not handle ACME HTTP Challenge at all.