diff --git a/README.md b/README.md
index 4f3f54a..9d37c32 100644
--- a/README.md
+++ b/README.md
@@ -31,9 +31,9 @@ Livecoding terminal UI: The above, plus ncurses (or compatible curses library),
 
 ## Build
 
-The build script, called simply `tool`, is written in `bash`. It should work with `gcc` (including the `musl-gcc` wrapper) and `clang`, and will automatically detect your compiler. You can manually specify a compiler with the `-c` option.
+The build script, called simply `tool`, is written in `bash`. It should work with `gcc` (including the `musl-gcc` wrapper), `tcc`, and `clang`, and will automatically detect your compiler. You can manually specify a compiler with the `-c` option.
 
-Currently known to build on macOS (`gcc`, `clang`) and Linux (`gcc`, `musl-gcc`, and `clang`, optionally with `LLD`), and Windows via cygwin or WSL (`gcc` or `clang`).
+Currently known to build on macOS (`gcc`, `clang`, `tcc`) and Linux (`gcc`, `musl-gcc`, `tcc`, and `clang`, optionally with `LLD`), and Windows via cygwin or WSL (`gcc` or `clang`, `tcc` untested).
 
 There is a fire-and-forget `make` wrapper around the build script.