diff --git a/Signal-Generator.md b/Signal-Generator.md
index 03f5e99..61cc9ff 100644
--- a/Signal-Generator.md
+++ b/Signal-Generator.md
@@ -1,4 +1,4 @@
-The signal generator found under Utilities can be used to generate a carrier which can be FM modulated with
+The signal generator found under Utilities can be used to generate a carrier which can be FM modulated with the following waveforms as defined by the Shape function.
 * CW : unmodulated carrier
 * Sine 
 * triangle
@@ -7,8 +7,8 @@ The signal generator found under Utilities can be used to generate a carrier whi
 * square
 * noise : does not appear to function
 
-Shape defines the generated waveform as above
-Tone defines the frequency of modulation
+Tone defines the frequency of modulation.
+
 Update. When unchecked, the user is required to drop carrier, then re-start carrier in order for a change of modulation shape or tone frequency to take effect. When checked, values will update on the fly.
 
 Stop after 1s limits carrier duration to 1 second