diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 30913ef77fd4567349e738aa5038647a533210af..ec259b3c24f03fa47b2d0313c8d6b2579bd48d69 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -24,7 +24,7 @@ OpenHarmony project handles contributions as [merge requests](https://docs.gitla
 
 ## SPDX information and REUSE standard
 
-All projects and files for an hosted project **MUST** be [REUSE](https://reuse.software/) compliant. REUSE requires SPDX information for each file, rules for which are as follows:
+All projects and files for an hosted project **MUST** be [REUSE](https://reuse.software/) compliant. REUSE requires [SPDX](https://spdx.dev/) information for each file, rules for which are as follows:
 
 -   Any new file must have a SPDX header (copyright and license).
 -   For files that don't support headers (for example binaries, patches etc.) an associated `.license` file must be included with the relevant SPDX information.