diff --git a/README.md b/README.md
index 466d4d5..af4d734 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ in the shell before running the program
 2. *sub_lj.c*:            some drawing and initialization routines
 3. *lennardjones.c*:      simulation of molecular dynamics
 
-- Create subfolders `tif_ljones`
+- Create subfolder `tif_ljones`
 - Customize constants at beginning of .c file
 - Compile with