2 files changed, 4 insertions, 4 deletions
diff --git a/mandoc.1 b/mandoc.1
index 7f885706..860a9058 100644
--- a/mandoc.1
+++ b/mandoc.1
@@ -540,7 +540,7 @@ or
 .Fl W Ns Cm warning
 was specified.
 .It 4
-At least on unsupported feature was encountered, and
+At least one unsupported feature was encountered, and
 .Fl W Ns Cm unsupp ,
 .Fl W Ns Cm error
 or
diff --git a/roff.7 b/roff.7
index 569c480f..cef8d91c 100644
--- a/roff.7
+++ b/roff.7
@@ -1003,7 +1003,7 @@ This is a groff extension and currently ignored.
 .Ss \&hypp
 Define hyphenation penalties.
 This is a Heirloom extension and currently ignored.
-.Ss \&hys
+.Ss \&hys
 Set hyphenation space.
 This is a groff extension and currently ignored.
 .Ss \&ie
@@ -1318,7 +1318,7 @@ Switch to no-fill mode.
 See
 .Xr man 7 .
 Ignored by
-.Xr mdoc 7.
+.Xr mdoc 7 .
 .Ss \&nh
 Turn off automatic hyphenation mode.
 Currently ignored.
@@ -1552,7 +1552,7 @@ Currently ignored.
 .Ss \&ss
 Set space character size.
 Currently ignored.
-.Ss \&sty
+.Ss \&sty
 Associate style with a font position.
 This is a groff extension and currently ignored.
 .Ss \&substring