diff --git a/js/react.js b/js/react.js
index ee718d08..63bb3fb2 100644
--- a/js/react.js
+++ b/js/react.js
@@ -711,6 +711,7 @@ var isUnitlessNumber = {
 
   // SVG-related properties
   fillOpacity: true,
+  stopOpacity: true,
   strokeDashoffset: true,
   strokeOpacity: true,
   strokeWidth: true
diff --git a/tips/06-style-props-value-px.ko-KR.md b/tips/06-style-props-value-px.ko-KR.md
index 7360a993..fa00b577 100644
--- a/tips/06-style-props-value-px.ko-KR.md
+++ b/tips/06-style-props-value-px.ko-KR.md
@@ -18,6 +18,7 @@ React.render(<div style={divStyle}>Hello World!</div>, mountNode);
 
 개발 하다보면 CSS 속성들이 단위 없이 그대로 유지되어야 할 때가 있을 겁니다. 아래의 프로퍼티들은 자동으로 "px"가 붙지 않는 속성 리스트 입니다:
 
+- `animationIterationCount`
 - `boxFlex`
 - `boxFlexGroup`
 - `boxOrdinalGroup`
@@ -35,7 +36,10 @@ React.render(<div style={divStyle}>Hello World!</div>, mountNode);
 - `opacity`
 - `order`
 - `orphans`
+- `stopOpacity`
+- `strokeDashoffset`
 - `strokeOpacity`
+- `strokeWidth`
 - `tabSize`
 - `widows`
 - `zIndex`
diff --git a/tips/06-style-props-value-px.md b/tips/06-style-props-value-px.md
index 736372e5..896f0fe8 100644
--- a/tips/06-style-props-value-px.md
+++ b/tips/06-style-props-value-px.md
@@ -18,6 +18,7 @@ See [Inline Styles](/react/tips/inline-styles.html) for more info.
 
 Sometimes you _do_ want to keep the CSS properties unitless. Here's a list of properties that won't get the automatic "px" suffix:
 
+- `animationIterationCount`
 - `boxFlex`
 - `boxFlexGroup`
 - `boxOrdinalGroup`
@@ -35,7 +36,10 @@ Sometimes you _do_ want to keep the CSS properties unitless. Here's a list of pr
 - `opacity`
 - `order`
 - `orphans`
+- `stopOpacity`
+- `strokeDashoffset`
 - `strokeOpacity`
+- `strokeWidth`
 - `tabSize`
 - `widows`
 - `zIndex`