README-linux.md: added libsndio-dev to the package list.
diff --git a/docs/README-linux.md b/docs/README-linux.md
index 431b51b..1fe6a24 100644
--- a/docs/README-linux.md
+++ b/docs/README-linux.md
@@ -20,7 +20,7 @@ libtool libasound2-dev libpulse-dev libaudio-dev libx11-dev libxext-dev \
libxrandr-dev libxcursor-dev libxi-dev libxinerama-dev libxxf86vm-dev \
libxss-dev libgl1-mesa-dev libesd0-dev libdbus-1-dev libudev-dev \
libgles1-mesa-dev libgles2-mesa-dev libegl1-mesa-dev libibus-1.0-dev \
-fcitx-libs-dev libsamplerate0-dev
+fcitx-libs-dev libsamplerate0-dev libsndio-dev
Ubuntu 16.04 can also add "libwayland-dev libxkbcommon-dev wayland-protocols"
to that command line for Wayland support.