diff --git a/docs/protocol-methods.rst b/docs/protocol-methods.rst
index 7c12fb5..ee10416 100644
--- a/docs/protocol-methods.rst
+++ b/docs/protocol-methods.rst
@@ -679,8 +679,7 @@ given a block height and a position in the block.
 
 **Signature**
 
-  .. function:: blockchain.transaction.id_from_pos(height, tx_pos,
-                merkle=false)
+  .. function:: blockchain.transaction.id_from_pos(height, tx_pos, merkle=false)
   .. versionadded:: 1.4
 
   *height*