diff --git a/social/README.md b/social/README.md
index 7c90f0e..eb3a1d7 100644
--- a/social/README.md
+++ b/social/README.md
@@ -14,3 +14,11 @@ GitHub repository preview
 These files are used in the Nix and Nixpkgs repositories to serve as a
 preview for social media "cards" (from different social media networks) when
 linking to a GitHub repository from the NixOS project.
+
+
+Summer of Nix thumbnail template
+================================
+
+ - summer-of-nix-thumbnail-template.svg
+
+Template used for the Summer of Nix video series.
diff --git a/thumbnails/summer-of-nix-template.svg b/social/summer-of-nix-thumbnail-template.svg
similarity index 100%
rename from thumbnails/summer-of-nix-template.svg
rename to social/summer-of-nix-thumbnail-template.svg