diff --git a/docs/4/breaking-changes.md b/docs/4/breaking-changes.md
index 99a10ee7..fbd1e423 100644
--- a/docs/4/breaking-changes.md
+++ b/docs/4/breaking-changes.md
@@ -20,7 +20,7 @@ title: v4 Breaking Changes
 
 - Perl 5.26+ is now required by `./configure` and all of the included Perl tools.
 
-- Windows 10 build 17061 is now the minimum supported version of Windows.
+- Windows 10 April 2018 Update is now the minimum supported version of Windows.
 
 ### Modules
 
diff --git a/docs/4/installation/windows-source.md b/docs/4/installation/windows-source.md
index 86a80902..00b94da7 100644
--- a/docs/4/installation/windows-source.md
+++ b/docs/4/installation/windows-source.md
@@ -8,7 +8,7 @@ If you want to build InspIRCd with contrib modules or non-included extra modules
 
 ### What systems can InspIRCd be built on?
 
-InspIRCd can be built on Windows 10 build 17061 or newer using the MSVC 19.15+ (Visual Studio 15.8 2017) compiler and CMake 3.20 or newer. Some extra modules may require newer versions in order to build.
+InspIRCd can be built on Windows 10 April 2018 Update or newer using the MSVC 19.15+ (Visual Studio 15.8 2017) compiler and CMake 3.20 or newer. Some extra modules may require newer versions in order to build.
 
 ### How do I install from source?