diff --git a/src/cli.rs b/src/cli.rs
index 904986b..983f050 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -33,7 +33,7 @@ The pick goes to stdout and nothing does if you cancel, so exit status is
 config:
 
   Flat `key = value` lines, `#` comments, everything optional; a flag beats
-  the file. Sizes take sway's units — `600px` is absolute, `70ppt` is a
+  the file. Sizes take sway's units - `600px` is absolute, `70ppt` is a
   percentage of the display the grid appears on, so one file suits monitors
   of different sizes.