[gtk-web] Fix typo in the main index

[Emmanuele Bassi <ebassi src gnome org>]

commit b8b5943f13956ee492fc91b400487cdf1fbf6a08
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Feb 20 10:31:58 2020 +0000

    Fix typo in the main index

 collections/_pages/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/collections/_pages/index.html b/collections/_pages/index.html
index 4a6f899..13cc54c 100644
--- a/collections/_pages/index.html
+++ b/collections/_pages/index.html
@@ -48,7 +48,7 @@ development_section:
 
 features_list:
   - title: Portability
-    description: Projects build using GTK and its dependencies run on well known operating systems.
+    description: Projects built using GTK and its dependencies run on well known operating systems.
     icon: fas fa-door-open
   - title: Stability
     description: GTK deliver the enticing features and superb performance which adds to your applications.