Update build instructions (#70)

README.md

@@ -25,14 +25,17 @@ wavemon requires a Linux Kernel with wireless extensions enabled. If your Kernel
 In addition, minimally the following are required:
 * Netlink `libnl` at least version 3.2,
 * including the Generic Netlink support (`libnl-genl`),
-* ncurses development files (`libncurses5-dev`),
+* ncurses development files (`libncursesw5-dev`),
 * the `pkg-config` package.
 
 On Debian/Ubuntu, this can be done using
 ```bash
-	apt-get -y install pkg-config libncurses5-dev libnl-3-dev libnl-genl-3-dev
+	apt-get -y install pkg-config libncursesw5-dev libnl-3-dev libnl-genl-3-dev
 ```
 
+Please note the "w" in `libncursesw5-dev`, which stands for the _wide-character_ variant of ncurses.
+This is required for [proper rendering on UTF-8 terminals](https://github.com/uoaerg/wavemon/issues/70).
+
 ## How to build
 
 wavemon uses `autoconf`, so that in most cases you can simply run
@@ -52,7 +55,3 @@ If you have changed some of the autoconf files or use a git version, run
 	./config/bootstrap
 ```
 (This requires a recent installation of `autotools`.)
-
-## Bugs?
-
-Send bug reports, comments, and suggestions by opening an issue on [github](https://github.com/uoaerg/wavemon/issues).