diff --git a/ACs/OK./Ok_AC_OAC_7020.ir b/ACs/OK./Ok_AC_OAC_7020.ir
index 31767698..21757830 100644
--- a/ACs/OK./Ok_AC_OAC_7020.ir
+++ b/ACs/OK./Ok_AC_OAC_7020.ir
@@ -1,6 +1,9 @@
 Filetype: IR signals file
 Version: 1
 # 
+# OK. OAC 7020 Mobile Air Condition
+# https://www.mediamarkt.de/de/product/_ok-oac-7020-b-2615795.html
+#
 name: ON
 type: raw
 frequency: 38000
diff --git a/Audio_Receivers/Portta/Portta_Toslink_Audio_Switcher.ir b/Audio_Receivers/Portta/Portta_Toslink_Audio_Switcher.ir
index 3ac58261..1019cd83 100644
--- a/Audio_Receivers/Portta/Portta_Toslink_Audio_Switcher.ir
+++ b/Audio_Receivers/Portta/Portta_Toslink_Audio_Switcher.ir
@@ -1,6 +1,9 @@
 Filetype: IR signals file
 Version: 1
 # 
+# Portta Toslink Audio Switcher
+# https://www.amazon.de/gp/product/B00PXSIFWY
+# 
 name: On/Off
 type: parsed
 protocol: NEC
diff --git a/LED_Lighting/Neuhaus/Neuhaus_Leuchten_Direkt_LOLA.ir b/LED_Lighting/Neuhaus/Neuhaus_Leuchten_Direkt_LOLA.ir
index 3a4d42c6..cf179eb6 100644
--- a/LED_Lighting/Neuhaus/Neuhaus_Leuchten_Direkt_LOLA.ir
+++ b/LED_Lighting/Neuhaus/Neuhaus_Leuchten_Direkt_LOLA.ir
@@ -1,6 +1,9 @@
 Filetype: IR signals file
 Version: 1
 # 
+# Neuhaus Leuchten Direkt LOLA
+# https://www.paul-neuhaus.de/lola-smart
+# 
 name: On
 type: raw
 frequency: 38000