typo

docs/sphinx/user/abl_bndry_io.rst

@@ -104,7 +104,7 @@ These are the files generated by ``ABL.bndry_output_format =
 native``. It is possible to visualize the native boundary files with
 the usual data visualizers (e.g., VisIt). Because of limitations with
 the visualizers, it is possible to see only one plane and one variable
-at a time. The different ``Header*`` files must be symlinked to
+at a time. The different ``Header*`` files must be sym-linked to
 ``Header``. This can be done with the following command for the
 ``velocity`` field at the ``xlo`` boundary, from the run directory: