diff --git a/progress.cpp b/progress.cpp
index 302aff0..bb800d2 100644
--- a/progress.cpp
+++ b/progress.cpp
@@ -122,13 +122,13 @@ void show_truecolor(const sc::term& t) {
     // check for true color support
     char* support = getenv("COLORTERM");
     if (!support || support[0] == '\0') {
-        std::cerr << "no true color support\n";
+        std::cerr << "this terminal has no true color support\n";
         return;
     }
     const char* lhb = u8"\u2584"; // lower half block
     const double sat = 1.0;
     for (double bri = 0; bri < 1; bri += 0.2) {
-        for (double hue = 0; hue < 360; hue += 360.0 / t.cols()) {
+        for (double hue = 0; hue < 359; hue += 360.0 / t.cols()) {
             HSB hsbb = {hue, sat, bri};
             Color bg {hsbb};
             RGB rgbb = RGB(bg);