diff --git a/Core/ClientSMLSWIG/Python/pyproject.toml b/Core/ClientSMLSWIG/Python/pyproject.toml
index cb08989822..b38a98f136 100644
--- a/Core/ClientSMLSWIG/Python/pyproject.toml
+++ b/Core/ClientSMLSWIG/Python/pyproject.toml
@@ -127,6 +127,7 @@ skip = [
 #
 # We pick python 3.9, since macOS ARM64 doesn't have 3.8, and so this is the earliest version on all platforms.
 build = "cp39*"
+# Inside CIs, we want to build the limited API, as we control SWIG's version there, so we opt-in.
 environment = { SOAR_PYTHON_ABI3="1" }
 # This test command:
 #  - imports soar_sml