readme DOC explicit distinction for unix/win build
diff --git a/README.md b/README.md
index a024622..4880ad5 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@
## Requirements
-### Build Requirements
+### Unix Build Requirements
* C compiler
* cmake >= 2.8.12
@@ -71,11 +71,11 @@
* lcov (for code coverage)
* genhtml (for code coverage)
-### Runtime Requirements
+### Unix Runtime Requirements
* libpcre2 >= 10.21
-### Windows
+### Windows Build Requirements
* Visual Studio 17 (2022)
* cmake >= 3.22.0