diff --git a/docs/spec/values.en-US.md b/docs/spec/values.en-US.md
index 9ad63061b6..66f3875a3a 100644
--- a/docs/spec/values.en-US.md
+++ b/docs/spec/values.en-US.md
@@ -26,7 +26,7 @@ As a part of nature, it will have deep influence on user behavior, and designers
## Certainty
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+
The designers needs to make better design decisions and create a high-definition and low-entropy atmosphere for developer team. Meanwhile, different designers could produce the same design output which fit business needs based on the same understanding of business requirements and design system.