diff --git a/text.h b/text.h
new file mode 100644
index 0000000..7310fc0
--- /dev/null
+++ b/text.h
@@ -0,0 +1,8 @@
+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+
+std::vector<size_t>
+void
+show_histogram_text(std::vector<size_t> bins, size_t bin_count);
+
+#endif // TEXT_H_INCLUDED