[Initiatives.wiki] Update App Metadata

[Sophie Herold <sophieherold src gnome org>]

commit b2c7e9369b559e5a229b8b210affb8d4c49b5eac
Author: Sophie Herold <sophie hemio de>
Date:   Tue Aug 3 20:58:00 2021 +0000

    Update App Metadata

 App-Metadata.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/App-Metadata.md b/App-Metadata.md
index 89fac7e..bfd0161 100644
--- a/App-Metadata.md
+++ b/App-Metadata.md
@@ -80,7 +80,7 @@ Avoid:
 
 ### Key Colors
 
-**TODO: I don't
+**TODO: I don't know of any specification for this.**
 
 General guidance:
 - Only add key-colors if the automatically detected colors in tools (e.g. Software) using this feature are 
not adequate