[gnome-software.wiki] Update Software metadata

[Philip Withnall <pwithnall src gnome org>]

commit 6b8d5f00f18ed4553d7aff289e7fd5e8483664a0
Author: Philip Withnall <philip tecnocode co uk>
Date:   Fri Aug 20 18:16:31 2021 +0000

    Update Software metadata

 Software-metadata.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/Software-metadata.md b/Software-metadata.md
index 49d77c3..2cc581b 100644
--- a/Software-metadata.md
+++ b/Software-metadata.md
@@ -18,6 +18,9 @@ It’s not possible to reliably detect whether a gamepad is *present*, as they a
 
 The dialog which appears when the tile is clicked lists the different hardware requirements of the app, and 
whether any of them are not met.
 
+You can improve the hardware information:
+ * [How to add missing hardware information](#user-content-how-to-add-missing-hardware-information)
+
 <br clear="both"/>
 
 Age rating <a name="age-rating"></a>
@@ -32,6 +35,9 @@ For example, this will highlight whether a game contains violence, or whether an
 
 The dialog which appears when the tile is clicked lists the different types of content in the application 
and how severe that content is.
 
+You can improve the age rating information:
+ * [How to add missing content rating 
information](#user-content-how-to-add-missing-content-rating-information)
+
 <br clear="both"/>
 
 Safety <a name="safety"></a>
@@ -46,6 +52,9 @@ This tile combines information about the permissions which the app requests when
 
 The dialog which appears when the tile is clicked lists the different permissions the app requests, plus 
some information about its license and runtime.
 
+You can improve the safety information:
+ * [How to fix incorrect safety and permissions 
information](#user-content-how-to-fix-incorrect-safety-and-permissions-information)
+
 <br clear="both"/>
 
 Storage <a name="storage"></a>
@@ -68,6 +77,9 @@ License <a name="license"></a>
 
 TODO
 
+You can improve the license information:
+ * [How to fix incorrect licensing information](#user-content-how-to-fix-incorrect-licensing-information)
+
 <br clear="both"/>
 
 Links <a name="links"></a>
@@ -77,6 +89,9 @@ Links <a name="links"></a>
 
 TODO
 
+You can improve the links:
+ * [How to add missing links](#user-content-how-to-add-missing-links)
+
 <br clear="both"/>
 
 Where metadata comes from