diff --git a/lib/Lang/Pietre/Stages/Assembling.hs b/lib/Lang/Pietre/Stages/Assembly.hs
similarity index 60%
rename from lib/Lang/Pietre/Stages/Assembling.hs
rename to lib/Lang/Pietre/Stages/Assembly.hs
index 720ffe9..a90c0ad 100644
--- a/lib/Lang/Pietre/Stages/Assembling.hs
+++ b/lib/Lang/Pietre/Stages/Assembly.hs
@@ -1,4 +1,4 @@
-module Lang.Pietre.Stages.Assembling where
+module Lang.Pietre.Stages.Assembly where
 
 {-
 import "this" Prelude
diff --git a/lib/Lang/Pietre/Stages/Optimization.hs b/lib/Lang/Pietre/Stages/Optimization.hs
new file mode 100644
index 0000000..7772248
--- /dev/null
+++ b/lib/Lang/Pietre/Stages/Optimization.hs
@@ -0,0 +1,3 @@
+module Lang.Pietre.Stages.Optimization where
+
+-- import "this" Prelude