diff --git a/README.md b/README.md
index 7339614..83301a7 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,8 @@ $ git clone --recurse-submodules <repo_url>
 ```
 
 ### Dependencies
-rntviewer currently only works on Linux (PRs welcome).
+rntviewer currently only fully works on Linux, with the terminal-only version working
+on MacOS as well (PRs welcome).
 
 The dependencies are:
   - GLFW3 (`libglfw3-dev` on debian, `glfw-devel` on fedora, `glfw` on arch)
@@ -21,6 +22,8 @@ Other than those, rntviewer depends on Dear ImGui and GLAD (both included in the
 
 The machine must support OpenGL 3.3 or higher.
 
+For the terminal-only version you don't need GLFW3, ImGui or OpenGL support.
+
 ### Building
 Building is done with `make`. Make sure to `source /path/to/root/bin/thisroot.sh` before running it.
 You probably want to build the release version:
@@ -33,6 +36,11 @@ You can test that the tool is working properly with:
 $ ./rntviewer lmext1.root ntpl
 ```
 
+To build the terminal-only version:
+```
+$ make nogfx_r
+```
+
 ### Usage
 Basic usage is:
 ```