diff --git a/README.md b/README.md
index b92e79f..d3298a9 100755
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Puts a spinning ASCII torus (mathematical name for a doughnut-shaped object) on
 
 ## How to compile and run
 
-* `gcc torus.out -o torus.out -lm` to compile
+* `gcc torus.c -o torus.out -lm` to compile
 * `./torus.out` to run
 
 # Updates