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diff --git a/doc/string.n b/doc/string.n
index 9108e7c..450a97b 100644
--- a/doc/string.n
+++ b/doc/string.n
@@ -19,6 +19,7 @@ string \- Manipulate strings
Performs one of several string operations, depending on \fIoption\fR.
The legal \fIoption\fRs (which may be abbreviated) are:
.TP
+.VS 8.6.2
\fBstring cat\fR ?\fIstring1\fR? ?\fIstring2...\fR?
.
Concatenate the given strings just like direct juxtaposition
@@ -26,6 +27,7 @@ would. This primitive is occasionally handier than juxtaposition when
mixed quoting is wanted, or when the aim is to return the result of a
concatenation without resorting to \fB[return -level 0]\fR. If no arg
is present, an empty string is returned.
+.VE
.TP
\fBstring compare\fR ?\fB\-nocase\fR? ?\fB\-length\fI length\fR? \fIstring1 string2\fR
.