diff --git a/param/error_helpers.go b/param/error_helpers.go
index 8033c9a..4588e84 100644
--- a/param/error_helpers.go
+++ b/param/error_helpers.go
@@ -22,7 +22,7 @@ func perr(format string, a ...interface{}) {
 }
 
 // Problem exists between keyboard and chair. This function is used in cases of
-// programmer error, i.e. an inappripriate use of the param library, to
+// programmer error, i.e. an inappropriate use of the param library, to
 // immediately force the program to halt with a hopefully helpful error message.
 func pebkac(format string, a ...interface{}) {
 	err := errors.New(errPrefix + fmt.Sprintf(format, a...) + yourFault)