diff --git a/skeleton/CMakeLists.txt b/skeleton/CMakeLists.txt
index ce2ee18a91f51092af0edcf20fbb4f9c55c7c8dd..32cb8cd9bb86671dfe155ca229e01e92f1e1af1d 100644
--- a/skeleton/CMakeLists.txt
+++ b/skeleton/CMakeLists.txt
@@ -6,7 +6,8 @@ add_library(SkeletonPass MODULE
 # Use C++11 to compile our pass (i.e., supply -std=c++11).
 target_compile_features(SkeletonPass PRIVATE cxx_range_for cxx_auto_type)
 
-# LLVM is (typically) built with no C++ RTTI. We need to match that.
+# LLVM is (typically) built with no C++ RTTI. We need to match that;
+# otherwise, we'll get linker errors about missing RTTI data.
 set_target_properties(SkeletonPass PROPERTIES
     COMPILE_FLAGS "-fno-rtti"
 )