diff --git a/autoload/ctrlp.vim b/autoload/ctrlp.vim
index 945f6aa..27c904b 100644
--- a/autoload/ctrlp.vim
+++ b/autoload/ctrlp.vim
@@ -23,11 +23,11 @@ else
 	unl g:ctrlp_match_window_reversed
 endif
 
-if !exists('g:ctrlp_persistence_input')
+if !exists('g:ctrlp_persistent_input')
 	let s:pinput = 1
 else
-	let s:pinput = g:ctrlp_persistence_input
-	unl g:ctrlp_persistence_input
+	let s:pinput = g:ctrlp_persistent_input
+	unl g:ctrlp_persistent_input
 endif
 
 if !exists('g:ctrlp_split_window')
@@ -153,9 +153,8 @@ func! s:ListAllFiles(path) "{{{
 endfunc "}}}
 
 func! s:ListAllBuffers() "{{{
-	let nbufs = bufnr('$')
 	let allbufs = []
-	for each in range(1, nbufs)
+	for each in range(1, bufnr('$'))
 		if getbufvar(each, '&bl')
 			let bufname = bufname(each)
 			if strlen(bufname) && getbufvar(each, '&ma') && bufname != 'ControlP'
@@ -204,7 +203,7 @@ endfunc "}}}
 
 func! s:GetMatchedItems(items, pats, limit) "{{{
 	let items = a:items
-	let pats = a:pats
+	let pats  = a:pats
 	let limit = a:limit
 	" if pattern contains line number
 	if match(pats[-1], ':\d*$') >= 0
@@ -367,7 +366,7 @@ func! s:UpdateMatches(pat) "{{{
 	" Delete the buffer's content
 	sil! %d _
 	let newpat = s:SplitPattern(a:pat)
-	let lines = s:GetMatchedItems(s:lines, newpat, s:mxheight)
+	let lines  = s:GetMatchedItems(s:lines, newpat, s:mxheight)
 	cal s:Renderer(lines)
 	"cal s:Highlight(newpat)
 endfunc "}}}
@@ -607,10 +606,12 @@ func! s:Type(type) "{{{
 endfunc "}}}
 
 "Mightdo: Highlight matched characters/strings. /low
-func! s:Highlight(pat) "{{{
+func! s:Highlight(...) "{{{
+	hi clear CtrlPKeywords
 	hi link CtrlPKeywords Normal
-	if !empty(a:pat)
-		exe 'syn match CtrlPKeywords /\c'.a:pat.'/'
+	if exists('a:1') && !empty(a:1)
+		let pat = substitute(a:1[-1], ':\d*$', '', 'g')
+		exe 'syn match CtrlPKeywords /\c'.pat.'/'
 		hi link CtrlPKeywords Constant
 	endif
 endfunc "}}}
@@ -725,10 +726,8 @@ func! s:statusline(...)
 		cal remove(itemtypes, 2)
 	endif
 	let max     = len(itemtypes) - 1
-	let next    = s:walker(max, s:itemtype, 1, 1)
-	let prev    = s:walker(max, s:itemtype, -1, 1)
-	let next    = itemtypes[next][1]
-	let prev    = itemtypes[prev][1]
+	let next    = itemtypes[s:walker(max, s:itemtype, 1, 1)][1]
+	let prev    = itemtypes[s:walker(max, s:itemtype, -1, 1)][1]
 	let regex   = s:regexp ? '[regex]' : ''
 	let byfname = s:byfname ? '[file]' : '[path]'
 	let focus   = s:Focus() ? '[prt]' : '[win]'
diff --git a/autoload/ctrlp/utils.vim b/autoload/ctrlp/utils.vim
index 3abd830..0cf6419 100644
--- a/autoload/ctrlp/utils.vim
+++ b/autoload/ctrlp/utils.vim
@@ -30,8 +30,7 @@ func! ctrlp#utils#readfile(file)
 	if filereadable(a:file)
 		let data = readfile(a:file)
 		if empty(data) || type(data) != 3
-			unl data
-			let data = []
+			unl data | let data = []
 		endif
 		retu data
 	else
diff --git a/doc/ctrlp.txt b/doc/ctrlp.txt
index f86241b..da84d20 100644
--- a/doc/ctrlp.txt
+++ b/doc/ctrlp.txt
@@ -50,10 +50,10 @@ setting is from bottom to top: >
   let g:ctrlp_match_window_reversed = 1
 <
 
-                                                  *'g:ctrlp_persistence_input'*
+                                                   *'g:ctrlp_persistent_input'*
 Remember the last input string and position of the selection in the match
 window: >
-  let g:ctrlp_persistence_input = 1
+  let g:ctrlp_persistent_input = 1
 <
 
                                                        *'g:ctrlp_split_window'*
@@ -67,7 +67,7 @@ Use this option to specify how the file is to be opened when pressing <cr>:
 <
 
                                                        *'g:ctrlp_ignore_space'*
-if you want the search to include whitespaces, change this to 0: >
+If you want the search to include whitespaces, change this to 0: >
   let g:ctrlp_ignore_space = 1
 <
 
@@ -176,7 +176,7 @@ And if you want |CtrlP| to only remember some files, specify them here: >
   let g:ctrlp_mruf_include = ''
 <
 Example: >
-  let g:ctrlp_mruf_exclude = '\.py$\|\.rb$'
+  let g:ctrlp_mruf_include = '\.py$\|\.rb$'
 <
 
 ===============================================================================
diff --git a/readme.md b/readme.md
index a178c75..2e6cf1d 100644
--- a/readme.md
+++ b/readme.md
@@ -9,11 +9,11 @@ Full path fuzzy file, buffer and MRU file finder for Vim.
 
 ## Basic Usage
 * Press `<c-p>` or run `:CtrlP` to invoke CtrlP.
-* Press `<c-f>` `<c-b> while CtrlP is open to switch between find file, find buffer, and find MRU file modes.
+* Press `<c-f>` and `<c-b>` while CtrlP is open to switch between find file, find buffer, and find MRU file modes.
 * Ever remember only a file’s name but not where it is? Press `<c-d>` while CtrlP is open to switch to filename only search.
 * Use `*` `?` `^` `+` or `|` in the prompt to submit the string as a Vim’s regexp pattern.
 * Or press `<c-r>` while CtrlP is open to switch to full regexp search mode.
-* End the input string with a colon `:` followed by a number to jump to that line in the selected file.  
+* End the input string with a colon `:` followed with a number to jump to that line in the selected file.  
 e.g. `abc:45` to open the file matched the pattern and jump to line 45.
 
 _Screenshot: filename only mode with the match window focused._  
@@ -26,7 +26,7 @@ _Screenshot: filename only mode with the match window focused._
     let g:ctrlp_map = '<c-p>'
     ```
 
-* When CtrlP is invoke, it automatically sets the working directory according to this variable:
+* When CtrlP is invoked, it automatically sets the working directory according to this variable:
 
     ```vim
     let g:ctrlp_working_path_mode = 1