Typo.

README.md

@@ -47,8 +47,8 @@ $pinyin->convert('带着希望去旅行，比到达终点更美好', PINYIN_ASCI
 ### 生成用于链接的拼音字符串
 
 ```php
-$pinyin->permlink('带着希望去旅行'); // dai-zhe-xi-wang-qu-lv-xing
-$pinyin->permlink('带着希望去旅行', '.'); // dai.zhe.xi.wang.qu.lv.xing
+$pinyin->permalink('带着希望去旅行'); // dai-zhe-xi-wang-qu-lv-xing
+$pinyin->permalink('带着希望去旅行', '.'); // dai.zhe.xi.wang.qu.lv.xing
 ```
 
 ### 获取首字符字符串

src/Pinyin.php

@@ -94,14 +94,14 @@ public function name($stringName, $option = self::NONE)
     }
 
     /**
-     * Return a pinyin permlink from string.
+     * Return a pinyin permalink from string.
      *
      * @param string $string
      * @param string $delimiter
      *
      * @return string
      */
-    public function permlink($string, $delimiter = '-')
+    public function permalink($string, $delimiter = '-')
     {
         if (!in_array($delimiter, array('_', '-', '.', ''), true)) {
             throw new InvalidArgumentException("Delimiter must be one of: '_', '-', '', '.'.");

tests/PinyinTest.php

@@ -21,21 +21,21 @@ public function testConvert()
         $this->assertSame(array('nín', 'hǎo'), $pinyin->convert('您好!', Pinyin::UNICODE));
     }
 
-    public function testPermlink()
+    public function testPermalink()
     {
         $pinyin = new Pinyin();
 
-        $this->assertSame('dai-zhe-xi-wang-qu-lv-xing', $pinyin->permlink('带着希望去旅行'));
-        $this->assertSame('dai_zhe_xi_wang_qu_lv_xing', $pinyin->permlink('带着希望去旅行', '_'));
-        $this->assertSame('dai.zhe.xi.wang.qu.lv.xing', $pinyin->permlink('带着希望去旅行', '.'));
-        $this->assertSame('daizhexiwangqulvxing', $pinyin->permlink('带着希望去旅行', ''));
+        $this->assertSame('dai-zhe-xi-wang-qu-lv-xing', $pinyin->permalink('带着希望去旅行'));
+        $this->assertSame('dai_zhe_xi_wang_qu_lv_xing', $pinyin->permalink('带着希望去旅行', '_'));
+        $this->assertSame('dai.zhe.xi.wang.qu.lv.xing', $pinyin->permalink('带着希望去旅行', '.'));
+        $this->assertSame('daizhexiwangqulvxing', $pinyin->permalink('带着希望去旅行', ''));
 
         // with number.
-        $this->assertSame('1-dai-23-zhe-5-6-xi-wang-qu-abc-lv-xing-568', $pinyin->permlink('1带23着。！5_6.=希望去abc旅行568'));
+        $this->assertSame('1-dai-23-zhe-5-6-xi-wang-qu-abc-lv-xing-568', $pinyin->permalink('1带23着。！5_6.=希望去abc旅行568'));
 
         $this->setExpectedException('InvalidArgumentException', "Delimiter must be one of: '_', '-', '', '.'.");
 
-        $this->assertSame('daizhexiwangqulvxing', $pinyin->permlink('带着希望去旅行', '='));
+        $this->assertSame('daizhexiwangqulvxing', $pinyin->permalink('带着希望去旅行', '='));
     }
 
     public function testAbbr()