diff --git a/extra/cel-shading/authors.txt b/extra/cel-shading/authors.txt
new file mode 100644
index 0000000000..6a0dc7293a
--- /dev/null
+++ b/extra/cel-shading/authors.txt
@@ -0,0 +1 @@
+Joe Groff
\ No newline at end of file
diff --git a/extra/cel-shading/summary.txt b/extra/cel-shading/summary.txt
new file mode 100644
index 0000000000..60da092f6d
--- /dev/null
+++ b/extra/cel-shading/summary.txt
@@ -0,0 +1 @@
+Stanford Bunny rendered with a cel-shading GLSL program
\ No newline at end of file
diff --git a/extra/cel-shading/tags.txt b/extra/cel-shading/tags.txt
new file mode 100644
index 0000000000..0db7e8e629
--- /dev/null
+++ b/extra/cel-shading/tags.txt
@@ -0,0 +1,3 @@
+demos
+opengl
+glsl
\ No newline at end of file