btr: Fix documentation of btr_consume().

s/buffer tree/buffer pool/.

diff --git a/buffer_tree.c b/buffer_tree.c
index c5417c2b7fd447e9fa118d4b67e7a91e30b6814e..0e460dd30247a70d418d191b1568de41240a93b8 100644 (file)
--- a/buffer_tree.c
+++ b/buffer_tree.c
@@ -603,7 +603,7 @@ size_t btr_next_buffer(struct btr_node *btrn, char **bufp)
  *
  * This function must be used to get rid of existing buffer references in the
  * node's input queue. If no references to a buffer remain, the underlying
- * buffers are either freed (in the non-buffer tree case) or the read head of
+ * buffers are either freed (in the non-buffer pool case) or the read head of
  * the buffer pool is being advanced.
  *
  * Note that \a numbytes may be smaller than the buffer size. In this case the