diff --git a/SliceTricks.md b/SliceTricks.md
index 5be4283e..8783017a 100644
--- a/SliceTricks.md
+++ b/SliceTricks.md
@@ -19,7 +19,7 @@ b = append([]T(nil), a...)
 b = append(a[:0:0], a...)
 
 // This one-line implementation is equivalent to the above
-// tw0-line make+copy implementation logically. But it is
+// two-line make+copy implementation logically. But it is
 // actually a bit slower (as of Go toolchain v1.16).
 b = append(make([]T, 0, len(a)), a...)
 ```