diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e477f8058..5c80443e3f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -923,8 +923,11 @@ if(MSVC OR MINGW)
 endif()
 
 
-# "-Dno-langref" and "-Dstd-docs=false" are hardcoded because they take too long to build.
-# To obtain these two forms of documentation, run zig build against stage3 rather than stage2.
+# "-Dno-langref" is hardcoded because stage2 builds lack the `@cImport`
+# feature, which some of the doctests rely on.
+
+# To obtain this document, run `zig build` against stage3 rather than stage2.
+# Note that the `langref` step can be used to isolate this task.
 set(ZIG_BUILD_ARGS
   --zig-lib-dir "${PROJECT_SOURCE_DIR}/lib"
 
@@ -936,7 +939,6 @@ set(ZIG_BUILD_ARGS
   "-Dconfig_h=${ZIG_CONFIG_H_OUT}"
 
   -Dno-langref
-  -Dstd-docs=false
 )
 
 if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")