diff --git a/afsk/main.c b/afsk/main.c
index fba41c91..76999c2e 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -907,7 +907,7 @@ void get_tlm(void) {
 	    
     tlm[3][B] = (int)(voltage[map[BUS]] * 10.0) % 100; // 5V supply to Pi
 
-    tlm[4][B] = (int)((95.8 - cpuTemp) / 1.48 + 0.5) % 100;
+    tlm[4][A] = (int)((95.8 - cpuTemp) / 1.48 + 0.5) % 100;  // was [B] but didn't display in online TLM spreadsheet
 
     tlm[6][B] = 0;
     tlm[6][D] = 49 + rand() % 3;