diff --git a/README.md b/README.md
index ea35ccd..f981427 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-Jade AST Specification
+Pug AST Specification
 ======================
 
-This document is a work-in-progress for documenting the Jade AST as output
-from jade-parser and other official plugins operating on the Jade AST.
+This document is a work-in-progress for documenting the Pug AST as output
+from pug-parser and other official plugins operating on the Pug AST.
diff --git a/SPEC.md b/SPEC.md
index d3db822..5822978 100644
--- a/SPEC.md
+++ b/SPEC.md
@@ -1,4 +1,4 @@
-# The Jade AST (WIP)
+# The Pug AST (WIP)
 
 ## Node objects
 
@@ -266,7 +266,7 @@ A node with file reference information.
 
 ### Include
 
-#### Jade Include
+#### Pug Include
 
 ```js
 interface Include <: BlockNode, FileNode {