diff --git a/Toolchain/CMakeToolchain.txt b/Toolchain/CMakeToolchain.txt
index 85e74162d7..36e0bf58a7 100644
--- a/Toolchain/CMakeToolchain.txt
+++ b/Toolchain/CMakeToolchain.txt
@@ -1,7 +1,7 @@
 set(CMAKE_SYSTEM_NAME Generic)
 
 if (NOT DEFINED ENV{SERENITY_ROOT})
-    message(FATAL_ERROR "SERENITY_ROOT not set. Please source Toolchain/UseIt.sh.")
+    message(FATAL_ERROR "SERENITY_ROOT not set.")
 endif()
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions")