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-rw-r--r--lisp/play/5x5.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/play/5x5.el b/lisp/play/5x5.el
index a7a332d97f2..b05b05f7bdf 100644
--- a/lisp/play/5x5.el
+++ b/lisp/play/5x5.el
@@ -649,7 +649,7 @@ Solutions are sorted from least to greatest Hamming weight."
;; 23x25 is a diagonal of 1, and the two last columns are a
;; base of kernel of transferm.
;;
- ;; base-change must be by construction inversible.
+ ;; base-change must be by construction invertible.
(base-change
(5x5-log
"p"