Fix doc error: ....attribtable: NAME: output-name: name has a space: {tk attribtable}

from: tk attribtable - Create an attribute table, used to query and modify

Author: jan.nijtmans

doc/attribtable.n

@@ -9,7 +9,7 @@
 .BS
 '\" Note:  do not modify the .SH NAME line immediately below!
 .SH NAME
-tk attribtable \- Create an attribute table, used to query and modify
+attribtable \- Create an attribute table, used to query and modify
 arbitrary data attached to any widget.
 .SH SYNOPSIS
 \fBtk attribtable \fItableName\fR