Update README.md

fix markdown on enable nouveau line
diff --git a/nouveau/README.md b/nouveau/README.md
index 56c0a02..6cc6e3f 100644
--- a/nouveau/README.md
+++ b/nouveau/README.md
@@ -43,7 +43,7 @@
 
 ## Getting started
 
-Configure CouchDB with `--enable-nouveau'
+Configure CouchDB with `--enable-nouveau`
 
 Build Nouveau with;