diff --git a/dns-manual-mode.md b/dns-manual-mode.md
index d3f01fd..379de73 100644
--- a/dns-manual-mode.md
+++ b/dns-manual-mode.md
@@ -1,6 +1,6 @@
-Dns manual mode can not renew automatically.  It's just for testing purpose.
+DNS manual mode can not renew automatically.  It's just for testing purpose.
 
-please use dns api mode or [dns alias mode](https://github.com/Neilpang/acme.sh/wiki/DNS-alias-mode) instead.
+Please use dns api mode or [dns alias mode](https://github.com/Neilpang/acme.sh/wiki/DNS-alias-mode) instead.