diff --git a/plugins/hls-eval-plugin/README.md b/plugins/hls-eval-plugin/README.md
index da3a4960e2..b537dd6017 100644
--- a/plugins/hls-eval-plugin/README.md
+++ b/plugins/hls-eval-plugin/README.md
@@ -72,7 +72,7 @@ double a = a + a
 -- 22
 ```
 
-Both plain Haskell and Literate Haskell (Bird-style only) source files are supported.
+Modules that use CPP and Literate Haskell (Bird-style only) modules are also supported (for GHC >= 8.8).
 
 # Test Components