diff --git a/tmac/groff_man.7.man b/tmac/groff_man.7.man
index 2007bbbf..4468359a 100644
--- a/tmac/groff_man.7.man
+++ b/tmac/groff_man.7.man
@@ -347,9 +347,16 @@ or
 .B .HP
 (or to the default value if none of them have been used yet).
 .
-Font size and face of the paragraph (but not the designator) are reset
-to its default values.
+The font size and face of the paragraph (but not the designator) are
+reset to their default values.
 .
+.IP
+Use
+.B IP
+without arguments if you simply need a new paragraph at the existing
+indentation value; for instance, to continue a multi-paragraph
+discussion after a paragraph tagged with
+.BR .TP .
 .
 .IP
 To start an indented paragraph with a particular indentation but
@@ -377,18 +384,26 @@ package to format lists.
 .
 .
 .IP \(bu 4
-.B HP
+.B TP
 is another.
 .
-This macro produces a paragraph with a left hanging indentation.
+This macro produces an unindented label followed by an indented
+paragraph.
 .
 .
 .IP \(bu 4
-.B TP
+.B HP
 is another.
 .
-This macro produces an unindented label followed by an indented
-paragraph.
+This macro produces a paragraph with a left hanging indentation.
+.
+.IP
+As noted above, use of the
+.B HP
+macro is deprecated as being presentation-level.
+(This paragraph was started with
+.B .IP
+with no arguments.)
 .RE
 .
 .
@@ -1281,3 +1296,4 @@ Local changes and customizations should be put into this file.
 .\" Local Variables:
 .\" mode: nroff
 .\" End:
+.\" vim:set filetype=nroff textwidth=72: