diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7788ff4..5706966 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -130,6 +130,7 @@ list(TRANSFORM TR1_SOURCES APPEND ".cpp")
 
 foreach(type IN LISTS types)
   add_library(boost_math_tr1${type} ${TR1_SOURCES${type}})
+  # Boost-Exclude: Boost::math_tr1
   add_library(Boost::math_tr1${type} ALIAS boost_math_tr1${type})
   if(NOT BOOST_MATH_STANDALONE)
     target_link_libraries(boost_math_tr1${type} PUBLIC Boost::config)
@@ -138,6 +139,7 @@ foreach(type IN LISTS types)
   target_include_directories(boost_math_tr1${type} PRIVATE include)
 
   add_library(boost_math_c99${type} ${C99_SOURCES${type}})
+  # Boost-Exclude: Boost::math_c99
   add_library(Boost::math_c99${type} ALIAS boost_math_c99${type})
   if(NOT BOOST_MATH_STANDALONE)
     target_link_libraries(boost_math_c99${type} PUBLIC Boost::config)