diff --git a/.gitignore b/.gitignore
index efdf14c..3364258 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,7 +7,10 @@ tikz-nfold.tar.gz
 tikz-nfold.zip
 
 ## Build folder
-build/
+build/*
+!build/tikz-nfold
+build/tikz-nfold/*
+!README.md
 
 ## Core latex/pdflatex auxiliary files:
 *.aux
diff --git a/README_CTAN.md b/build/tikz-nfold/README.md
similarity index 100%
rename from README_CTAN.md
rename to build/tikz-nfold/README.md