Update Readme.md
diff --git a/Readme.md b/Readme.md
index 58f0772..d329d43 100644
--- a/Readme.md
+++ b/Readme.md
@@ -13,7 +13,7 @@
 Prerequisite: [KorAP-XML-CoNLL-U](https://github.com/KorAP/KorAP-XML-CoNLL-U)
 
 ```bash
-make target/dnb.zip
+make -j $(nproc) target/dnb.zip
 ```
 
 ### To generate Annotations
@@ -32,6 +32,8 @@
 make -j $(nproc) target/dnb.ud.zip target/dnb.spacy.zip target/dnb.tree_tagger.zip
 ```
 
+### To build KorAP index (also directly)
+
 Build KorAP all, up to the deployable index:
 
 ```bash