[gnome-software: 6/22] lib: Fix a minor typo in a doc string in GsApp

[Phaedrus Leeds <mwleeds src gnome org>]

commit 4c2d9680f8e7ca7004c9b9911bf1350db8eef27e
Author: Philip Withnall <pwithnall endlessos org>
Date:   Fri Feb 12 18:02:49 2021 +0000

    lib: Fix a minor typo in a doc string in GsApp
    
    Signed-off-by: Philip Withnall <pwithnall endlessos org>

 lib/gs-app.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/lib/gs-app.c b/lib/gs-app.c
index 9fd6bb701..8aa8ca8dc 100644
--- a/lib/gs-app.c
+++ b/lib/gs-app.c
@@ -4183,7 +4183,7 @@ gs_app_set_key_colors (GsApp *app, GPtrArray *key_colors)
  * @app: a #GsApp
  * @key_color: a #GdkRGBA
  *
- * Adds a key colors used in the application icon.
+ * Adds a key color used in the application icon.
  *
  * Since: 3.22
  **/