diff --git a/tech/Modulation.wiki b/tech/Modulation.wiki
index bea0ab8..a840e70 100644
--- a/tech/Modulation.wiki
+++ b/tech/Modulation.wiki
@@ -61,6 +61,11 @@ signal, or the phase of the signal.
 Because FM/PM does not change in amplitude, the power output is fixed.
 Therefore, the PEP is fixed as well.
 
+=== Digital ===
+
+There are several different types of digital signals, all determined by their
+corresponding protocol.
+
 == Overmodulation ==
 
 Over modulation or splattering is when the signal is to heavily modulated,
@@ -69,3 +74,5 @@ fixed by speaking softly, changing mic gain, or moving away from the mic.
 
 The sound it makes to the reciever is a 'breaking up' sound, where distortion
 occours on voice peaks.
+
+