diff --git a/product-backlog.md b/product-backlog.md
index 8ff88a3..27ae730 100644
--- a/product-backlog.md
+++ b/product-backlog.md
@@ -25,8 +25,8 @@
   * reduce nearby metadata leakage by using ble and wifi direct discovery
   * improve ui and protocol for adding contacts in person
   * test under simulated blackout conditions
-  * investigate medium-range transports (e.g. LoRa, AFSK over handheld radios)
-  * investigate long-range simplex transports (e.g. satellite, AFSK over AM/FM broadcast)
+  * investigate medium-range transports (e.g. lora, afsk over handheld radios)
+  * investigate long-range simplex transports (e.g. satellite, afsk over am/fm broadcast)
 
 
 "mailbox" theme