diff --git a/ChangeLog b/ChangeLog
index e7adace6..d5e0b33d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -190,6 +190,8 @@ CVS code -
 - faq.html:
 	- Fixed inaccuracy: multibuffer mode was first in nano 1.1.0,
 	  not 1.1.12. (DLR)
+- nano.1, nanorc.5, nano.texi
+	- Clarify the description for -T/--tabsize a bit. (DLR)
 - README:
 	- Reformat to 72 characters per line, fix wording in one spot,
 	  and fix spacing in several spots. (DLR)
diff --git a/doc/man/nano.1 b/doc/man/nano.1
index 2d1b13ca..9d4106d0 100644
--- a/doc/man/nano.1
+++ b/doc/man/nano.1
@@ -77,8 +77,8 @@ Enable regular expression matching for search strings, as well as
 Enable smooth scrolling.  Text will scroll line-by-line, instead of the
 usual chunk-by-chunk behavior.
 .TP
-.B \-T \fInum\fP (\-\-tabsize=\fInum\fP)
-Set the size (width) of a tab.
+.B \-T \fIcols\fP (\-\-tabsize=\fIcols\fP)
+Set the size (width) of a tab to \fIcols\fP columns.
 .TP
 .B \-V (\-\-version)
 Show the current version number and author.
diff --git a/doc/man/nanorc.5 b/doc/man/nanorc.5
index 60920165..8343ea1e 100644
--- a/doc/man/nanorc.5
+++ b/doc/man/nanorc.5
@@ -115,8 +115,8 @@ calls \fIspell\fP.
 Allow nano to be suspended with ^Z.
 .TP
 \fBset tabsize \fIn\fP\fP
-Use a tab size of \fIn\fP instead of the default (8); must be greater
-than 0.
+Use a tab size of \fIn\fP columns instead of the default (8); must be
+greater than 0.
 .TP
 \fBset/unset tempfile\fP
 Save automatically on exit, don't prompt.
diff --git a/doc/texinfo/nano.texi b/doc/texinfo/nano.texi
index b1caaafc..909286a2 100644
--- a/doc/texinfo/nano.texi
+++ b/doc/texinfo/nano.texi
@@ -143,8 +143,8 @@ Turn on regular expression search and search/replace.
 @item -S, --smooth
 Enable smooth scrolling.
 
-@item -T [num], --tabsize=[num]
-Set the displayed tab length to [num] columns.
+@item -T [num], --tabsize=[#cols]
+Set the displayed tab length to [#cols] columns.
 
 @item -V, --version
 Print the version number and copyright and quit.