doc: invoke-catch: no such function as get-frames

* txr.1: Fix wording under invoke-catch which refers to a
nonexistent function called get-frames.

1 files changed, 3 insertions, 2 deletions

diff --git a/txr.1 b/txr.1
index a90b5a8a..3dff7506 100644
--- a/txr.1
+++ b/txr.1
@@ -36843,8 +36843,9 @@ described by the
 .meta catch-frame
 argument, which must be a structure of type
 .code catch-frame
-returned by a call to
-.code get-frame
+obtained using any of the functions
+.codn get-frames ,
+.code find-frames
 or
 .codn find-frame .