1 files changed, 3 insertions, 1 deletions

diff --git a/README.md b/README.md
index b327668..dc39ac2 100644
--- a/README.md
+++ b/README.md
@@ -5,10 +5,12 @@ A small interpreter of the IMP programming language.
 ## Build
 
 - `make all` to build interpreter.
+- `make repl` to run repl.
 - `make example` to interpret "example/example.imp".
 - `make clean` to remove build folder.
 
 ## Dependencies
 
 - [flex](https://github.com/westes/flex)
-- [bison](https://www.gnu.org/software/bison)
\ No newline at end of file
+- [bison](https://www.gnu.org/software/bison)
+- [readline](https://tiswww.case.edu/php/chet/readline/rltop.html)
\ No newline at end of file