diff --git a/CHANGELOG.md b/CHANGELOG.md
index b565e8a..0d83ca0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 - add a doc with troubleshooting instructions
 - add `.gitattributes` file that forces linefeed characters (classic `\n`) as
   line endings - helps with misconfigured git on windows/cygwin
+- readme update: announce Cygwin support
 
 ### v3.0.0, 2015-08-03
 - refactor `shared_set_tpm_path_constant` function
diff --git a/README.md b/README.md
index c768b62..78147a8 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
 
 Installs and loads TMUX plugins.
 
+Tested and working on Linux, OSX and Cygwin.
+
 ### Installation
 
 Requirements: `tmux` version 1.9 (or higher), `git`, `bash`.