diff --git a/man7/man-pages.7 b/man7/man-pages.7
index 2ad887512..b45cc0e51 100644
--- a/man7/man-pages.7
+++ b/man7/man-pages.7
@@ -696,10 +696,11 @@ For example:
 .SS Preferred terms
 The following table lists some preferred terms to use in man pages,
 mainly to ensure consistency across pages.
+.ad l
 .TS
 l l l
 ---
-l l l.
+l l ll.
 Term	Avoid using	Notes
 
 bit mask	bitmask
@@ -761,6 +762,7 @@ below.
 The following table lists some terms to avoid using in man pages,
 along with some suggested alternatives,
 mainly to ensure consistency across pages.
+.ad l
 .TS
 l l l
 ---
@@ -787,6 +789,8 @@ tty	terminal
 Unices	UNIX systems
 Unixes	UNIX systems
 .TE
+.ad
+.\"
 .SS Trademarks
 Use the correct spelling and case for trademarks.
 The following is a list of the correct spellings of various