diff --git a/README.md b/README.md
index eca3fd3..d48e416 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,27 @@
-# wdisplay
+# wdisplays
 
-wdisplay is a graphical application for configuring displays in wlroots
-compositors. It borrows some code from [kanshi].
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://spdx.org/licenses/MIT.html)
 
-## License
+wdisplays is a graphical application for configuring displays in Wayland
+compositors. It borrows some code from [kanshi]. It should work in any
+compositor that implements the wlr-output-management-unstable-v1 protocol, such
+as [sway].
 
-MIT
+![Screenshot](wdisplays.png)
+
+# Building
+
+Build requirements are:
+
+- GTK+3
+- epoxy
+- wayland-client
+
+```sh
+meson build
+ninja -C build
+sudo ninja -C build install
+```
 
 [kanshi]: https://github.com/emersion/kanshi
+[sway]: https://github.com/swaywm/sway
diff --git a/meson.build b/meson.build
index 2c3b214..1228364 100644
--- a/meson.build
+++ b/meson.build
@@ -1,4 +1,4 @@
-project('wdisplay', 'c')
+project('wdisplays', 'c')
 
 subdir('protocol')
 subdir('resources')
diff --git a/resources/resources.xml b/resources/resources.xml
index 185f865..1709c80 100644
--- a/resources/resources.xml
+++ b/resources/resources.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
   <gresource prefix="/">
-    <file compressed="true" preprocess="xml-stripblanks">wdisplay.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks">wdisplays.ui</file>
     <file compressed="true" preprocess="xml-stripblanks">head.ui</file>
     <file compressed="true">style.css</file>
   </gresource>
diff --git a/resources/wdisplay.ui b/resources/wdisplays.ui
similarity index 99%
rename from resources/wdisplay.ui
rename to resources/wdisplays.ui
index 4399cbf..638eb4b 100644
--- a/resources/wdisplay.ui
+++ b/resources/wdisplays.ui
@@ -228,7 +228,7 @@
           <object class="GtkHeaderBar">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
-            <property name="title" translatable="yes">wdisplay</property>
+            <property name="title" translatable="yes">wdisplays</property>
             <property name="has_subtitle">False</property>
             <property name="show_close_button">True</property>
             <child>
diff --git a/src/main.c b/src/main.c
index ac3daa8..c71c6dc 100644
--- a/src/main.c
+++ b/src/main.c
@@ -24,7 +24,7 @@
 #include <gtk/gtk.h>
 #include <gdk/gdkwayland.h>
 
-#include "wdisplay.h"
+#include "wdisplays.h"
 #include "glviewport.h"
 
 __attribute__((noreturn)) void wd_fatal_error(int status, const char *message) {
@@ -1148,7 +1148,7 @@ static void activate(GtkApplication* app, gpointer user_data) {
   state->grabbing_cursor = gdk_cursor_new_from_name(gdk_display, "grabbing");
   state->move_cursor = gdk_cursor_new_from_name(gdk_display, "move");
 
-  GtkBuilder *builder = gtk_builder_new_from_resource("/wdisplay.ui");
+  GtkBuilder *builder = gtk_builder_new_from_resource("/wdisplays.ui");
   GtkWidget *window = GTK_WIDGET(gtk_builder_get_object(builder, "heads_window"));
   state->header_stack = GTK_WIDGET(gtk_builder_get_object(builder, "header_stack"));
   state->stack_switcher = GTK_WIDGET(gtk_builder_get_object(builder, "heads_stack_switcher"));
diff --git a/src/meson.build b/src/meson.build
index f2b31a2..56cbc7f 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -8,7 +8,7 @@ assert(gdk.get_pkgconfig_variable('targets').split().contains('wayland'), 'Wayla
 epoxy = dependency('epoxy')
 
 executable(
-  'wdisplay',
+  'wdisplays',
   [
     'main.c',
     'outputs.c',
diff --git a/src/outputs.c b/src/outputs.c
index 1c32518..02aa7c7 100644
--- a/src/outputs.c
+++ b/src/outputs.c
@@ -39,7 +39,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-#include "wdisplay.h"
+#include "wdisplays.h"
 
 #include "wlr-output-management-unstable-v1-client-protocol.h"
 #include "xdg-output-unstable-v1-client-protocol.h"
@@ -644,5 +644,9 @@ void wd_state_destroy(struct wd_state *state) {
   wl_list_for_each_safe(output, output_tmp, &state->outputs, link) {
     wd_output_destroy(output);
   }
+  zwlr_screencopy_manager_v1_destroy(state->copy_manager);
+  zwlr_output_manager_v1_destroy(state->output_manager);
+  zxdg_output_manager_v1_destroy(state->xdg_output_manager);
+  wl_shm_destroy(state->shm);
   free(state);
 }
diff --git a/src/render.c b/src/render.c
index 7e64db7..dee1efb 100644
--- a/src/render.c
+++ b/src/render.c
@@ -21,7 +21,7 @@
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include "wdisplay.h"
+#include "wdisplays.h"
 
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/src/wdisplay.h b/src/wdisplays.h
similarity index 100%
rename from src/wdisplay.h
rename to src/wdisplays.h
diff --git a/wdisplays.png b/wdisplays.png
new file mode 100644
index 0000000..d4c484b
Binary files /dev/null and b/wdisplays.png differ