[groff] 29/47: refer(1): Fix typo.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 47c39feccb6e4009e794da569c91d03b91551417
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Mon Jan 10 11:01:24 2022 +1100

    refer(1): Fix typo.
---
 src/preproc/refer/refer.1.man | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/preproc/refer/refer.1.man b/src/preproc/refer/refer.1.man
index a4d66f50..43303fbd 100644
--- a/src/preproc/refer/refer.1.man
+++ b/src/preproc/refer/refer.1.man
@@ -636,7 +636,7 @@ component says to search the bibliographic databases for a 
reference
 that contains all the words in
 .IR keywords .
 .
-It is an error if more than one reference if found.
+It is an error if more than one reference is found.
 .
 .
 .LP