doc: no such method as lambda-ref.

* txr.1: Under description of length function, reference to
nonexistent lambda-ref should be lambda-set.

1 files changed, 1 insertions, 1 deletions

diff --git a/txr.1 b/txr.1
index 0e26e545..71824b01 100644
--- a/txr.1
+++ b/txr.1
@@ -24958,7 +24958,7 @@ function.
 
 Structures which implement the methods
 .codn lambda ,
-.code lambda-ref
+.code lambda-set
 and
 .code length
 can be treated as abstract vector-like sequences, because such