diff --git a/docs/quickstart-cmake.md b/docs/quickstart-cmake.md
index 5abe5044..4e422b74 100644
--- a/docs/quickstart-cmake.md
+++ b/docs/quickstart-cmake.md
@@ -54,6 +54,7 @@ project(my_project)
 
 # GoogleTest requires at least C++14
 set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 include(FetchContent)
 FetchContent_Declare(
diff --git a/googletest/README.md b/googletest/README.md
index 995834e4..dc605716 100644
--- a/googletest/README.md
+++ b/googletest/README.md
@@ -126,10 +126,10 @@ match the project in which it is included.
 
 An environment that supports C++11 is required in order to successfully build
 GoogleTest. One way to ensure this is to specify the standard in the top-level
-project, for example by using the `set(CMAKE_CXX_STANDARD 11)` command. If this
-is not feasible, for example in a C project using GoogleTest for validation,
-then it can be specified by adding it to the options for cmake via the
-`DCMAKE_CXX_FLAGS` option.
+project, for example by using the `set(CMAKE_CXX_STANDARD 11)` command along
+with `set(CMAKE_CXX_STANDARD_REQUIRED ON). If this is not feasible, for example
+in a C project using GoogleTest for validation, then it can be specified by
+adding it to the options for cmake via the `-DCMAKE_CXX_FLAGS` option.
 
 ### Tweaking GoogleTest