diff --git a/docs/classes.md b/docs/classes.md
index 7a91d2a..d6e6f60 100644
--- a/docs/classes.md
+++ b/docs/classes.md
@@ -57,6 +57,9 @@ These classes are available in cs-midi and work identically to their Control Sur
 | `Bankable::NoteLED` | `<BankSize>` | Bank-switched Note LED |
 | `Bankable::CCLED` | `<BankSize>` | Bank-switched CC LED |
 | `Bankable::KPLED` | `<BankSize>` | Bank-switched Key Pressure LED |
+| `Bankable::NoteRange` | `<BankSize, Len>` | Bank-switched Note range |
+| `Bankable::CCRange` | `<BankSize, Len>` | Bank-switched CC range |
+| `Bankable::KPRange` | `<BankSize, Len>` | Bank-switched Key Pressure range |
 
 ### Banks and Selectors
 
@@ -90,6 +93,7 @@ These classes are available in cs-midi and work identically to their Control Sur
 |-------|----------|-------------|
 | `MIDI_Pipe` | | Connects a MIDI source to a sink |
 | `MIDI_PipeFactory` | `<N>` | Creates N unidirectional pipes |
+| `BidirectionalMIDI_PipeFactory` | `<N>` | Creates N bidirectional pipes |
 | `MIDI_Sink` | | Base class for MIDI receivers |
 | `MIDI_Source` | | Base class for MIDI senders |
 
@@ -102,6 +106,7 @@ These classes are available in cs-midi and work identically to their Control Sur
 | `IncrementDecrementButtons` | | Button pair with auto-repeat |
 | `ButtonMatrix` | `<R, C>` | Row/column button scanner |
 | `GenericFilteredAnalog` | `<...>` | EMA-filtered analog input with hysteresis |
+| `FilteredAnalog` | | Concrete filtered analog (10-bit, no mapping) |
 | `AHEncoder` | | Interrupt-driven quadrature encoder |
 
 ### Infrastructure