diff --git a/version.inc b/version.inc
index bd96d13c7..24755f3fd 100644
--- a/version.inc
+++ b/version.inc
@@ -7,6 +7,8 @@ set(SLIC3R_APP_KEY "BambuStudio")
 if(NOT DEFINED BBL_RELEASE_TO_PUBLIC)
 set(BBL_RELEASE_TO_PUBLIC "0")
 endif()
+# Note that defining BBL_INTERNAL_TESTING will create a beta version
+# not an "internal testing" version (the default)
 if(NOT DEFINED BBL_INTERNAL_TESTING)
 set(BBL_INTERNAL_TESTING "1")
 endif()