diff --git a/readme.md b/readme.md
index 193d05d1..48042301 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,5 @@
 # SDR++, The bloat-free SDR software.
+![Screenshot](https://i.imgur.com/LjcjyNC.png)
 SDR++ is a cross-platform and open source SDR software with the aim of being bloat free and simple to use.
 
 ## Current Features
@@ -25,6 +26,7 @@ SDR++ is a cross-platform and open source SDR software with the aim of being blo
 * other small customisation options
 * Save waterfall and demod settings between sessions
 * "Hide sidebar" option
+* Input filter bandwidth option
 
 ## Known issues (please check before reporting)
 * Random crashes (yikes)
diff --git a/src/main_window.cpp b/src/main_window.cpp
index 8bc56ec2..bcb725b6 100644
--- a/src/main_window.cpp
+++ b/src/main_window.cpp
@@ -402,12 +402,12 @@ void drawWindow() {
     ImGui::NewLine();
 
     ImGui::Text("Max");
-    ImGui::VSliderFloat("##_8_", ImVec2(20.0f, 150.0f), &fftMax, -100.0f, 0.0f, "");
+    ImGui::VSliderFloat("##_8_", ImVec2(20.0f, 150.0f), &fftMax, 0.0f, -100.0f, "");
 
     ImGui::NewLine();
 
     ImGui::Text("Min");
-    ImGui::VSliderFloat("##_9_", ImVec2(20.0f, 150.0f), &fftMin, -100.0f, 0.0f, "");
+    ImGui::VSliderFloat("##_9_", ImVec2(20.0f, 150.0f), &fftMin, 0.0f, -100.0f, "");
 
     if (bw != lastBW) {
         lastBW = bw;