diff --git a/htpasswd.go b/htpasswd.go
index 2527252..1a6e4d1 100644
--- a/htpasswd.go
+++ b/htpasswd.go
@@ -34,6 +34,7 @@ import (
 	"time"
 )
 
+// CheckInterval represents how often we check for changes in htpasswd file.
 const CheckInterval = 30 * time.Second
 
 // Lookup passwords in a htpasswd file.  The entries must have been created with -s for SHA encryption.
diff --git a/mux.go b/mux.go
index 86d3c70..0fa5655 100644
--- a/mux.go
+++ b/mux.go
@@ -12,6 +12,7 @@ import (
 	"goji.io/pat"
 )
 
+// Config struct holds program configuration.
 var Config = struct {
 	Path       string
 	Listen     string
@@ -44,6 +45,7 @@ func logHandler(next http.Handler) http.Handler {
 	return handlers.CombinedLoggingHandler(accessLog, next)
 }
 
+// NewMux is master HTTP multiplexer/router.
 func NewMux() *goji.Mux {
 	mux := goji.NewMux()