Update README.markdown

mxcl · web-flow · commit 3245d494611e · 2018-09-26T13:04:20.000-04:00
diff --git a/README.markdown b/README.markdown
@@ -4,6 +4,8 @@ Vertical split, minimized UI, curated layout.
 
 [Binary downloads here](https://github.com/codebasesaga/gitx/releases).
 
+**NOTE** due to libgit2 being weird, this build requires openssl installed by Homebrew to `/usr/local`. Sorry! This also is why the build is unsigned and debug.
+
 ![Screenshot](Documentation/Screenshot.png)
 
 ## Installing the Terminal tool
