diff --git a/docs/spec/blocks/bitstream.adoc b/docs/spec/blocks/bitstream.adoc
index 8835f58..2c30346 100644
--- a/docs/spec/blocks/bitstream.adoc
+++ b/docs/spec/blocks/bitstream.adoc
@@ -33,7 +33,7 @@ NOTE: Bitstream deduplication tables provide a reference for associating bitstre
 |uint32_t
 |4 bytes
 |identifier
-|The flux data block identifier, always `BITS`
+|The bitstream data block identifier, always `BITS`
 
 |uint16_t
 |2 bytes
diff --git a/docs/spec/blocks/track_layout.adoc b/docs/spec/blocks/track_layout.adoc
index 7a8d014..fbd5a73 100644
--- a/docs/spec/blocks/track_layout.adoc
+++ b/docs/spec/blocks/track_layout.adoc
@@ -32,7 +32,7 @@ If a `FLUX` block exists for a given (sub)track but no corresponding `TKLY` bloc
 |uint32_t
 |4 bytes
 |identifier
-|The flux data block identifier, always `TKLY`
+|The track layout block identifier, always `TKLY`
 
 |uint64_t
 |8 bytes