diff --git a/png/koolnova-smart radio.png b/png/koolnova-smart_radio.png
similarity index 100%
rename from png/koolnova-smart radio.png
rename to png/koolnova-smart_radio.png
diff --git a/png/koolnova-smart radio INT 49.png b/png/koolnova-smart_radio_INT_49.png
similarity index 100%
rename from png/koolnova-smart radio INT 49.png
rename to png/koolnova-smart_radio_INT_49.png