diff --git a/src/main.rs b/src/main.rs
index d6b93a7..80658b7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -155,8 +155,8 @@ impl App {
                                 S       => Scientific (stack precision)\n\
                                 e       => Engineering\n\
                                 E       => Engineering (stack precision)\n\
-                                f       => Engineering\n\
-                                F       => Engineering (stack precision)\n\
+                                f       => Fixed\n\
+                                F       => Fixed (stack precision)\n\
                                 w       => Do not write settings and stack on quit (default)\n\
                                 W       => Write stack and settings on quit\
                                 ",