Fix a comment.

extras/nodes/ma_reverb_node/ma_reverb_node.h

@@ -14,7 +14,7 @@ The reverb node has one input and one output.
 typedef struct
 {
     ma_node_config nodeConfig;
-    ma_uint32 channels;         /* The number of channels of the source, which will be the same as the output. Must be 1 or 2. The excite bus must always have one channel. */
+    ma_uint32 channels;         /* The number of channels of the source, which will be the same as the output. Must be 1 or 2. */
     ma_uint32 sampleRate;
     float roomSize;
     float damping;