diff --git a/README.md b/README.md
index 345d77c..fc87561 100644
--- a/README.md
+++ b/README.md
@@ -45,8 +45,8 @@ The following environment var can be set for some special situation:
 - Build:
   ```
   cd AltServer-Linux
-  mkdir build
-  make -f ../Makefile -j3
+  mkdir build && cd build
+  make -f ../Makefile -j$(nproc)
   ls AltServer-*
   ```