diff --git a/.github/workflows/cpp-reference.yml b/.github/workflows/cpp-reference.yml
index 4294ff0742..b37bbaa584 100644
--- a/.github/workflows/cpp-reference.yml
+++ b/.github/workflows/cpp-reference.yml
@@ -4,7 +4,7 @@ name: C++ reference
 # publishes them as the GitHub Release cpp-ref-<key> (asset
 # solidcore-cpp-ref-<key>-linux-x86_64.tar.zst plus .sha256), which scripts/fetch-cpp.sh
 # downloads in CI and on contributors' machines instead of compiling SMLib (about a
-# minute on a 16-vCPU runner plus tool installs; 10+ minutes on a typical laptop).
+# minute on a 16-vCPU runner plus tool installs, much longer on a laptop).
 # <key> comes from scripts/cpp-ref-key.sh: the pinned upstream commit plus a hash of
 # harness/cpp/{CMakeLists.txt,build.sh,stubs/**,patches/**}. Shims are compiled by
 # solidcore-ffi, so editing them never needs a new release. Until a new key is published,