diff --git a/Build-Linux.md b/Build-Linux.md
index 5b90cd0..a99323a 100644
--- a/Build-Linux.md
+++ b/Build-Linux.md
@@ -23,7 +23,7 @@ $ cd SoapySDR
 SoapySDR$ mkdir build
 build$ cd build
 build$ cmake ../ -DCMAKE_BUILD_TYPE=Release
-build$ make
+build$ make -j4
 build$ sudo make install
 build$ sudo ldconfig
 build$ SoapySDRUtil --info #test SoapySDR install
@@ -35,7 +35,7 @@ $ git clone https://github.com/jgaeddert/liquid-dsp
 liquid-dsp$ cd liquid-dsp
 liquid-dsp$ ./bootstrap.sh
 liquid-dsp$ ./configure --enable-fftoverride 
-liquid-dsp$ make
+liquid-dsp$ make -j4
 liquid-dsp$ sudo make install
 liquid-dsp$ sudo ldconfig
 ```
@@ -56,7 +56,7 @@ wxWidgets-3.1.0$ ./configure --with-opengl --disable-shared --enable-monolithic
 
 [ configuring.. ]
 
-wxWidgets-3.1.0$ make && make install
+wxWidgets-3.1.0$ make -j4 && make install
 
 [ building and installed to ~/Develop/wxWidgets-staticlib in this example ]
 ```