diff --git a/wled00/mqtt.cpp b/wled00/mqtt.cpp
index b32ea82c..a5caaf47 100644
--- a/wled00/mqtt.cpp
+++ b/wled00/mqtt.cpp
@@ -142,12 +142,12 @@ void publishMqtt()
   sprintf_P(s, PSTR("%u"), bri);
   strlcpy(subuf, mqttDeviceTopic, 33);
   strcat_P(subuf, PSTR("/g"));
-  mqtt->publish(subuf, 0, retainMqttMsg, s);         // optionally retain message (#2236)
+  mqtt->publish(subuf, 0, retainMqttMsg, s);         // optionally retain message (#2263)
 
   sprintf_P(s, PSTR("#%06X"), (col[3] << 24) | (col[0] << 16) | (col[1] << 8) | (col[2]));
   strlcpy(subuf, mqttDeviceTopic, 33);
   strcat_P(subuf, PSTR("/c"));
-  mqtt->publish(subuf, 0, retainMqttMsg, s);         // optionally retain message (#2236)
+  mqtt->publish(subuf, 0, retainMqttMsg, s);         // optionally retain message (#2263)
 
   strlcpy(subuf, mqttDeviceTopic, 33);
   strcat_P(subuf, PSTR("/status"));
@@ -157,7 +157,7 @@ void publishMqtt()
   XML_response(nullptr, apires);
   strlcpy(subuf, mqttDeviceTopic, 33);
   strcat_P(subuf, PSTR("/v"));
-  mqtt->publish(subuf, 0, retainMqttMsg, apires);   // optionally retain message (#2236)
+  mqtt->publish(subuf, 0, retainMqttMsg, apires);   // optionally retain message (#2263)
   #endif
 }
 
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index a3eafb5a..5859d0fc 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -326,11 +326,11 @@ void WLED::setup()
   managed_pin_type pins[] = { {33, true}, {34, true}, {35, true}, {36, true}, {37, true} };
   pinManager.allocateMultiplePins(pins, sizeof(pins)/sizeof(managed_pin_type), PinOwner::SPI_RAM);
   #elif defined(CONFIG_IDF_TARGET_ESP32S2)
-  // S2: reserve GPIO 26-32 for PSRAM
+  // S2: reserve GPIO 26-32 for PSRAM (may fail due to isPinOk() but that will also prevent other allocation)
   managed_pin_type pins[] = { {26, true}, {27, true}, {28, true}, {29, true}, {30, true}, {31, true}, {32, true} };
   pinManager.allocateMultiplePins(pins, sizeof(pins)/sizeof(managed_pin_type), PinOwner::SPI_RAM);
   #elif defined(CONFIG_IDF_TARGET_ESP32C3)
-  // C3: reserve GPIO 12-17 for PSRAM
+  // C3: reserve GPIO 12-17 for PSRAM (may fail due to isPinOk() but that will also prevent other allocation)
   managed_pin_type pins[] = { {12, true}, {13, true}, {14, true}, {15, true}, {16, true}, {17, true} };
   pinManager.allocateMultiplePins(pins, sizeof(pins)/sizeof(managed_pin_type), PinOwner::SPI_RAM);
   #else
@@ -485,6 +485,7 @@ void WLED::beginStrip()
     if (briS > 0) bri = briS;
     else if (bri == 0) bri = 128;
   } else {
+    // fix for #3196
     briLast = briS; bri = 0;
     strip.fill(BLACK);
     strip.show();