diff --git a/bip-0174.mediawiki b/bip-0174.mediawiki
index 6b8ca264..6c5c3cff 100644
--- a/bip-0174.mediawiki
+++ b/bip-0174.mediawiki
@@ -476,7 +476,7 @@ The currently defined per-input types are defined as follows:
 | <tt>PSBT_IN_TAP_MERKLE_ROOT = 0x18</tt>
 | None
 | No key data
-| <tt><pubkey></tt>
+| <tt><32-byte hash></tt>
 | The 32 byte Merkle root hash. Finalizers should remove this field after <tt>PSBT_IN_FINAL_SCRIPTWITNESS</tt> is constructed.
 |
 |
diff --git a/bip-0371.mediawiki b/bip-0371.mediawiki
index 50b7e939..1b27d165 100644
--- a/bip-0371.mediawiki
+++ b/bip-0371.mediawiki
@@ -99,7 +99,7 @@ The new per-input types are defined as follows:
 | <tt>PSBT_IN_TAP_MERKLE_ROOT = 0x18</tt>
 | None
 | No key data
-| <tt><pubkey></tt>
+| <tt><32-byte hash></tt>
 | The 32 byte Merkle root hash. Finalizers should remove this field after <tt>PSBT_IN_FINAL_SCRIPTWITNESS</tt> is constructed.
 |
 |