[gnome-shell] shell-app: Fix spelling error

[Florian Müllner <fmuellner src gnome org>]

commit 58c4212cfa1339e54c88788e999cc8c4b8f51e8f
Author: Laurent Bigonville <bigon bigon be>
Date:   Sat Jun 15 11:29:53 2019 +0200

    shell-app: Fix spelling error
    
    https://gitlab.gnome.org/GNOME/gnome-shell/issues/1205

 src/shell-app.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/shell-app.c b/src/shell-app.c
index 752316051..e5569b25f 100644
--- a/src/shell-app.c
+++ b/src/shell-app.c
@@ -1114,7 +1114,7 @@ _shell_app_remove_window (ShellApp   *app,
  * shell_app_get_pids:
  * @app: a #ShellApp
  *
- * Returns: (transfer container) (element-type int): An unordered list of process identifers associated with 
this application.
+ * Returns: (transfer container) (element-type int): An unordered list of process identifiers associated 
with this application.
  */
 GSList *
 shell_app_get_pids (ShellApp *app)