diff --git a/ipcert.md b/ipcert.md
index fc17910..32ad78c 100644
--- a/ipcert.md
+++ b/ipcert.md
@@ -1,12 +1,13 @@
-Just use ip as the `-d` parameter:
+Just use the ip address as the `-d` parameter:
 
 ```
-acme.sh  --issue  -d 1.1.1.1  --w /etc/apachet/xxxxxx
+acme.sh  --issue  -d 1.1.1.1  --w /etc/apache/xxxxxx
 ```
 
 As the rfc 8738 requires: https://tools.ietf.org/html/rfc8738
 
-The ip address can not be validated by dns methods. Only  http/webroot  and  alpn methods are allowded.
+The ip address can not be validated by dns methods. 
+Only http/webroot and alpn methods are allowed.