diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index b9c49623..41d5f884 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -329,11 +329,11 @@ void lora_send(osjob_t *job) {
   } else {
     if (xQueueReceive(LoraSendQueue, &SendBuffer, (TickType_t)0) == pdTRUE) {
       // SendBuffer gets struct MessageBuffer with next payload from queue
-      if (LMIC_setTxData2(SendBuffer.MessagePort, SendBuffer.Message,
+      if (!LMIC_setTxData2(SendBuffer.MessagePort, SendBuffer.Message,
                           SendBuffer.MessageSize, (cfg.countermode & 0x02))) {
-        ESP_LOGI(TAG, "%d bytes sent to LoRa", SendBuffer.MessageSize);
+        ESP_LOGI(TAG, "%d byte(s) sent to LoRa", SendBuffer.MessageSize);
       } else {
-        ESP_LOGE(TAG, "coult not send %d bytes to LoRa",
+        ESP_LOGE(TAG, "could not send %d byte(s) to LoRa",
                  SendBuffer.MessageSize);
       }
       // sprintf(display_line7, "PACKET QUEUED");
diff --git a/src/spislave.cpp b/src/spislave.cpp
index 67d544eb..6df563b1 100644
--- a/src/spislave.cpp
+++ b/src/spislave.cpp
@@ -79,7 +79,7 @@ void spi_slave_task(void *param) {
     spi_transaction.rx_buffer = rxbuf;
 
     // wait until spi master clocks out the data, and read results in rx buffer
-    ESP_LOGI(TAG, "Prepared SPI transaction for %zu bytes", transaction_size);
+    ESP_LOGI(TAG, "Prepared SPI transaction for %zu byte(s)", transaction_size);
     ESP_LOG_BUFFER_HEXDUMP(TAG, txbuf, transaction_size, ESP_LOG_DEBUG);
     esp_err_t ret =
         spi_slave_transmit(HSPI_HOST, &spi_transaction, portMAX_DELAY);
@@ -149,7 +149,7 @@ void spi_enqueuedata(uint8_t messageType, MessageBuffer_t *message) {
   BaseType_t ret =
       xQueueSendToBack(SPISendQueue, (void *)message, (TickType_t)0);
   if (ret == pdTRUE) {
-    ESP_LOGI(TAG, "%d bytes enqueued for SPI interface", message->MessageSize);
+    ESP_LOGI(TAG, "%d byte(s) enqueued for SPI interface", message->MessageSize);
   } else {
     ESP_LOGW(TAG, "SPI sendqueue is full");
   }