diff --git a/locale/en/expcore.cfg b/locale/en/expcore.cfg
index ddde52d4..ce4d3d45 100644
--- a/locale/en/expcore.cfg
+++ b/locale/en/expcore.cfg
@@ -11,11 +11,11 @@ reject-string-options=Invalid Option, Must be one of: __1__
 reject-string-max-length=Invalid Length, Max: __1__
 reject-number=Invalid Number.
 reject-number-range=Invalid Range, Min (inclusive): __1__, Max (inclusive): __2__
-reject-player=Invaild Player Name, __1__ ,try using tab key to auto-complete the name
+reject-player=Invalid Player Name, __1__ ,try using tab key to auto-complete the name
 reject-player-online=Player is offline.
 reject-player-alive=Player is dead.
-reject-force=Invaild Force Name.
-reject-surface=Invaild Surface Name.
+reject-force=Invalid Force Name.
+reject-surface=Invalid Surface Name.
 invalid-inputs=Invalid Input, /__1__ __2__
 invalid-param=Invalid Param "__1__"; __2__
 command-help=__1__ - __2__
@@ -35,4 +35,4 @@ reject-player-role=Player has a higher role.
 button_tooltip=Shows/hides the toolbar.
 
 [expcore-gui]
-left-button-tooltip=Hide all open windows.
\ No newline at end of file
+left-button-tooltip=Hide all open windows.