diff --git a/README.md b/README.md
index 1aca5e5..9cfb835 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,11 @@ FetchContent_Declare(Vec3
 
 FetchContent_GetProperties(Vec3)
 if(NOT Vec3_POPULATED)
-    FetchContent_Populate(Vec3)
+    FetchContent_MakeAvailable(Vec3)
     include_directories(${Vec3_SOURCE_DIR}/include)
 endif()
 ```
+## Features
+
+* Guards all testing code to only be run when Vec3 is the main project