diff --git a/README.md b/README.md
index efdf5df..260d51d 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ mkdir build
 cd build
 cmake ..
 make
+make install
 ```
 
 Now you can encode/decode a file by commands below.
@@ -45,4 +46,4 @@ Now you can encode/decode a file by commands below.
 Usage: -[e|d] <inputfile> <outputfile>
         -e encode
         -d decode
-```
\ No newline at end of file
+```