diff --git a/files/en-us/web/css/font-weight/index.md b/files/en-us/web/css/font-weight/index.md
index 4b0e2fc57644326..37b03487ea3381d 100644
--- a/files/en-us/web/css/font-weight/index.md
+++ b/files/en-us/web/css/font-weight/index.md
@@ -78,6 +78,8 @@ If the exact weight given is unavailable, then the following rule is used to det
 
 - If a weight greater than `500` is given, look for available weights greater than the target, in ascending order. If no match is found, look for available weights less than the target, in descending order.
 
+> **Note:** The fallback weight algorithm is only used for rendering. The computed value of the property is still the specified value.
+
 ### Meaning of relative weights
 
 When `lighter` or `bolder` is specified, the below chart shows how the absolute font weight of the element is determined.