use the standard spelling of the word "idiosyncrasy";

suggested by Michal Nowak <mnowak at startmail dot com>

1 files changed, 1 insertions, 1 deletions

diff --git a/roff.7 b/roff.7
index a6e1c8d4..e434eec8 100644
--- a/roff.7
+++ b/roff.7
@@ -2278,7 +2278,7 @@ code.
 .Pp
 The special semantics of the
 .Cm nS
-number register is an idiosyncracy of
+number register is an idiosyncrasy of
 .Ox
 manuals and not supported by other
 .Xr mdoc 7