diff --git a/README.md b/README.md
index 34d1fae..f0b35f5 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@
 | nginx | ✅ Engine X | |
 | null [🔊](http://dict.youdao.com/dictvoice?audio=null&type=2) | ✅ [nʌl] | ❌ [naʊ] |
 | OS X | ✅ OS ten | |
+| parameter [🔊](http://dict.youdao.com/dictvoice?audio=parameter&type=2) | ✅ [pə'ræmɪtə] | ❌ ['pærəmɪtə] |
 | putty [🔊](http://dict.youdao.com/dictvoice?audio=putty&type=2) | ✅ [ˈpʌti] | ❌ [ˈpuːti] |
 | query [🔊](http://dict.youdao.com/dictvoice?audio=query&type=2) | ✅ ['kwɪəri] | ❌ ['kwaɪri] |
 | retina [🔊](http://dict.youdao.com/dictvoice?audio=retina&type=2) | ✅ ['retɪnə] | ❌ ['ritina] |