diff --git a/keywords.txt b/keywords.txt
index 93a463b5..329fcc9d 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -248,3 +248,5 @@ ERR_INVALID_MODULATION_PARAMETERS	LITERAL1
 ERR_SPI_CMD_TIMEOUT	LITERAL1
 ERR_SPI_CMD_INVALID	LITERAL1
 ERR_SPI_CMD_FAILED	LITERAL1
+ERR_INVALID_SLEEP_PERIOD	LITERAL1
+ERR_INVALID_RX_PERIOD	LITERAL1