✏️ fix typo

Author: Cnily03

_library/adapter/README.md

@@ -38,7 +38,7 @@ Example usage:
 init -o:f /flag node server.js
 # write FLAG to GZCTF_FLAG environment, run as `ctf`
 init -o:e GZCTF_FLAG -u ctf -- /pwn
-# write GZCTF_FLAG to /flag with permission 444, run as `nobody`
+# write GZCTF_FLAG to /flag.txt with permission 444, run as `nobody`
 init -i:e GZCTF_FLAG -o:f /flag.txt -p 444 -u nobody -- python3 main.py
 ```
 
@@ -53,6 +53,6 @@ COPY --from=init /init /init
 
 # ...
 
-ENTRYPOINT ["/init", "-p", "444", "-u", "ctf", "--"]
+ENTRYPOINT ["/init", "-o:f", "/flag", "-p", "444", "-u", "ctf", "--"]
 CMD ["python3", "main.py"]
 ```