diff --git a/lib/radio/cordic/src/cordic_pkg.vhd b/lib/radio/cordic/src/cordic_pkg.vhd
index b2b32d2..3d11534 100644
--- a/lib/radio/cordic/src/cordic_pkg.vhd
+++ b/lib/radio/cordic/src/cordic_pkg.vhd
@@ -25,7 +25,7 @@ package cordic_pkg is
 	
 	type real_tbl_t is array (natural range <>) of real;
 	
-	-- Normalize Arctan table (phase +/- 1.0)
+	-- Normalized Arctan table (for phases z = -1..+1)
 	-- MatLab command: arctan_tbl = (atan(2.^-(0:N-1))/pi)'
 	-- (Print format: long e, compact)
 	constant arctan_tbl : real_tbl_t (0 to max_iteration-1) :=