Update README instructions on updating catalogue

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 2e2300b..6694fb7 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ We will need to periodically update the SPDX index. This can be achieved with
 the following command.
 
 ```bash
-$ wget --timestamping https://spdx.org/licenses/licenses.json
+$ ./bin/update-spdx
 ```
 
 ## Supported languages and package managers