diff --git a/platformio.ini b/platformio.ini
index 5f249bba..f780a017 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -11,9 +11,9 @@
 
 ; ---> SELECT TARGET PLATFORM HERE! <---
 [platformio]
-;env_default = heltec_wifi_lora_32
+env_default = heltec_wifi_lora_32
 ;env_default = ttgov1
-env_default = ttgov2
+;env_default = ttgov2
 ;env_default = lopy
 ;env_default = lopy4
 ;env_default = lolin32lite_lora
diff --git a/src/main.h b/src/main.h
index 8e6993e0..5ad9b39b 100644
--- a/src/main.h
+++ b/src/main.h
@@ -1,6 +1,6 @@
 
 // program version - note: increment version after modifications to configData_t struct!!
-#define PROGVERSION                     "1.3.35"    // use max 10 chars here!
+#define PROGVERSION                     "1.3.4"    // use max 10 chars here!
 #define PROGNAME                        "PAXCNT"
 
 //--- Declarations ---
diff --git a/src/paxcounter.conf b/src/paxcounter.conf
index 584e1ab4..cc953b6b 100644
--- a/src/paxcounter.conf
+++ b/src/paxcounter.conf
@@ -34,7 +34,7 @@
 
 // LoRa payload send cycle --> take care of duty cycle of LoRaWAN network! <--
 #define SEND_SECS                       120     // [seconds/2] -> 240 sec.
-#define MEM_LOW                         2048    // [Bytes] memory threshold triggering send cycle
+#define MEM_LOW                         2048    // [Bytes] low memory threshold triggering a send cycle
 
 // Default LoRa Spreadfactor
 #define LORASFDEFAULT                   9       // 7 ... 12 SF, according to LoRaWAN specs