diff --git a/README.md b/README.md
index 957936b..ec2d1cf 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Features
 User support
 ============
 Multiple users are supported. A user can be an admin or a normal user. You can
-configure wheter or not a normal user is allowed to add new zones.
+configure whether or not a normal user is allowed to add new zones.
 
 WeFact Login support
 ====================
@@ -64,7 +64,7 @@ Other methods of installation (Unsupported)
 
 Configuring PowerDNS
 ====================
-Minimal cofiguration of PowerDNS for supporting nsedit has to include 3 directives:
+Minimal configuration of PowerDNS for supporting nsedit has to include 3 directives:
 ```
 webserver=yes
 api=yes
diff --git a/index.php b/index.php
index 9ddabb3..b0e6fd4 100644
--- a/index.php
+++ b/index.php
@@ -857,7 +857,7 @@ $(document).ready(function () {
                 type: 'checkbox',
                 values: {'0': 'No', '1': 'Yes'},
                 defaultValue: 1,
-                inputClass: 'overwrite_namerserver'
+                inputClass: 'overwrite_nameserver'
             },
             nameserver: {
                 title: 'Nameservers',