diff --git a/pkgs/build-support/node/fetch-yarn-deps/default.nix b/pkgs/build-support/node/fetch-yarn-deps/default.nix
index 16cdee665d0d..67ee1bb1ef09 100644
--- a/pkgs/build-support/node/fetch-yarn-deps/default.nix
+++ b/pkgs/build-support/node/fetch-yarn-deps/default.nix
@@ -195,5 +195,8 @@ in
     substitutions = {
       jq = lib.getExe jq;
     };
+    meta = {
+      description = "Prune yarn dependencies and install files for packages using Yarn 1";
+    };
   } ./yarn-install-hook.sh;
 }