diff --git a/README.markdown b/README.markdown
index 66831d4..f90fefe 100644
--- a/README.markdown
+++ b/README.markdown
@@ -30,8 +30,8 @@ Default disable, put this line in vimrc:
 
 Custom search delimeter:
 
-    let g:eregx_forward_delim = '/'
-    let g:eregx_backward_delim = '?'
+    let g:eregex_forward_delim = '/'
+    let g:eregex_backward_delim = '?'
 
 ## Changes
 
diff --git a/plugin/eregex.vim b/plugin/eregex.vim
index 52e291f..a3110d5 100644
--- a/plugin/eregex.vim
+++ b/plugin/eregex.vim
@@ -287,12 +287,12 @@ let s:version = s:maj + s:min
 unlet s:tmp s:maj s:min
 
 "v260
-if !exists('g:eregx_forward_delim')
-  let g:eregx_forward_delim = '/'
+if !exists('g:eregex_forward_delim')
+  let g:eregex_forward_delim = '/'
 endif
 
-if !exists('g:eregx_backward_delim')
-  let g:eregx_backward_delim = '?'
+if !exists('g:eregex_backward_delim')
+  let g:eregex_backward_delim = '?'
 endif
 
 let s:enable = 0
@@ -303,14 +303,14 @@ function! eregex#toggle(...)
     let silent = 1
   endif
   if s:enable == 0
-    exec 'nnoremap <expr> '.g:eregx_forward_delim.' ":<C-U>".v:count1."M/"'
-    exec 'nnoremap <expr> '.g:eregx_backward_delim.' ":<C-U>".v:count1."M?"'
+    exec 'nnoremap <expr> '.g:eregex_forward_delim.' ":<C-U>".v:count1."M/"'
+    exec 'nnoremap <expr> '.g:eregex_backward_delim.' ":<C-U>".v:count1."M?"'
     if silent != 1
       echo "eregx.vim key mapping enabled"
     endif
   else
-    exec 'nunmap '.g:eregx_forward_delim
-    exec 'nunmap '.g:eregx_backward_delim
+    exec 'nunmap '.g:eregex_forward_delim
+    exec 'nunmap '.g:eregex_backward_delim
     if silent != 1
       echo "eregx.vim key mapping disabled"
     endif