diff --git a/Gallery-of-user-projects-and-modifications.md b/Gallery-of-user-projects-and-modifications.md
index ef95686..397ed13 100644
--- a/Gallery-of-user-projects-and-modifications.md
+++ b/Gallery-of-user-projects-and-modifications.md
@@ -1,10 +1,10 @@
-## Alternative UI
+### Alternative UI
 
 + Transparent-floating toolbar (@gigaherz): 
 
     https://github.com/gigaherz/pdf.js
 
-## Cool projects
+### Cool projects
 
 + Justin Bieber + Popcorn.js + pdf.js (@humphd)