diff --git a/tests/extrusionBracket.scad b/tests/extrusion_bracket.scad
similarity index 97%
rename from tests/extrusionBracket.scad
rename to tests/extrusion_bracket.scad
index c17aaa9..49ea668 100644
--- a/tests/extrusionBracket.scad
+++ b/tests/extrusion_bracket.scad
@@ -18,7 +18,7 @@
 //
 include <../core.scad>
 
-use <../vitamins/extrusionBracket.scad>
+use <../vitamins/extrusion_bracket.scad>
 include <../vitamins/extrusions.scad>
 include <../vitamins/washers.scad>
 include <../vitamins/nuts.scad>
diff --git a/vitamins/extrusionBracket.scad b/vitamins/extrusion_bracket.scad
similarity index 96%
rename from vitamins/extrusionBracket.scad
rename to vitamins/extrusion_bracket.scad
index 9001f1d..bae40b4 100644
--- a/vitamins/extrusionBracket.scad
+++ b/vitamins/extrusion_bracket.scad
@@ -42,8 +42,8 @@ module extrusion20InnerCornerBracket(grubScrews = true) { //! Inner corner brack
         }
 }
 
-function extrusion20CornerBracket_base_thickness() = 2;
-function extrusion20CornerBracket_hole_offset() = 19.5;
+function extrusion20CornerBracket_base_thickness() = 2; //! Thickness of base of bracket
+function extrusion20CornerBracket_hole_offset() = 19.5; //! Hole offset from corner
 
 module extrusion20CornerBracket() { //! Corner bracket for 20mm extrusion
     vitamin(str("extrusion20CornerBracket(): Extrusion20 corner bracket"));