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-rw-r--r--doc/toplevel.n4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/toplevel.n b/doc/toplevel.n
index 84fab14..37670ee 100644
--- a/doc/toplevel.n
+++ b/doc/toplevel.n
@@ -29,7 +29,9 @@ and border.
Specifies a class for the window.
This class will be used when querying the option database for
the window's other options, and it will also be used later for
-other purposes such as bindings.
+other purposes such as bindings. Some window managers display the
+class name for windows in their dock while some others display the
+window title.
The \fB\-class\fR option may not be changed with the \fBconfigure\fR
widget command.
.OP \-colormap colormap Colormap