diff --git a/README.md b/README.md
index f2410d5..9d0b3d6 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
 # PFToolbox
-Potential Filed Toolbox
+Potential Field Toolbox
 https://hackmd.io/wPxyX6c2ROGjcMvxDL0TmQ