diff --git a/wmail/README b/wmail/README
index aaacf4c..2a108d8 100644
--- a/wmail/README
+++ b/wmail/README
@@ -62,9 +62,9 @@ Description:
  rc-file statement: Mail.ShowOnlyNew = Yes|No
  default value    : No
 
- item             : mail check intervall (sec)
+ item             : mail check interval (sec)
  cmd-line option  : -i <num>
- rc-file statement: Mail.CheckIntervall = <num>
+ rc-file statement: Mail.CheckInterval = <num>
  default value    : 1
 
  item             : consider status-field (not used when in maildir mode)
diff --git a/wmail/src/config.c b/wmail/src/config.c
index aa865ab..adf96de 100644
--- a/wmail/src/config.c
+++ b/wmail/src/config.c
@@ -57,7 +57,7 @@
 // Window.Button.Command = "string"
 // Mail.MailBox = "string"
 // Mail.ChecksumFile = "string"
-// Mail.CheckIntervall = number
+// Mail.CheckInterval = number
 // Mail.ShowOnlyNew = On|Off
 // Mail.SkipSender = "string"
 // Mail.OnNew.Command = "string"
@@ -314,7 +314,7 @@ void ReadConfigFile( const char *configFile, bool resetConfigStrings )
 		continue;
 	    }
 
-	    if( PREFIX_MATCHES( id, "Mail.CheckIntervall", false ))
+	    if( PREFIX_MATCHES( id, "Mail.CheckInterval", false ))
 	    {
 		if( !( config.givenOptions & CL_CHECKINTERVAL ))
 		    ReadInt( value, line, &config.checkInterval );
diff --git a/wmail/wmailrc-sample b/wmail/wmailrc-sample
index 6e8854b..bd44d45 100644
--- a/wmail/wmailrc-sample
+++ b/wmail/wmailrc-sample
@@ -40,7 +40,7 @@ Mail.ShowOnlyNew = Yes
 
 # mail-check interval in seconds
 # integer value, default: 1
-Mail.CheckIntervall = 5
+Mail.CheckInterval = 5
 
 # setup the ticker-line: allowed values are: Address | NickName | FamilyName
 # enum value, default: Address