MAINT: move description on one line

tox.ini

@@ -21,8 +21,7 @@ commands =
     --keep-going \
     --show-traceback \
     docs/ docs/_build/html
-description =
-  Build documentation and API through Sphinx
+description = Build documentation and API through Sphinx
 
 [testenv:doclive]
 allowlist_externals =
@@ -35,8 +34,7 @@ commands =
     --re-ignore='.*\.tmp' \
     --watch docs \
     docs/ docs/_build/html
-description =
-  Set up a server to directly preview changes to the HTML pages
+description = Set up a server to directly preview changes to the HTML pages
 
 [testenv:docnblive]
 base = doclive
@@ -64,20 +62,17 @@ commands =
     --builder=linkcheck \
     --show-traceback \
     docs/ docs/_build/linkcheck
-description =
-  Check external links in the documentation (requires internet connection)
+description = Check external links in the documentation (requires internet connection)
 
 [testenv:nb]
 allowlist_externals =
   pytest
 commands =
   pytest --nbmake {posargs:docs}
-description =
-  Run all notebooks with pytest
+description = Run all notebooks with pytest
 
 [testenv:sty]
-description =
-  Perform all linting, formatting, and spelling checks
+description = Perform all linting, formatting, and spelling checks
 setenv =
   SKIP = pyright
 allowlist_externals =