[DOC] fix doc string to remove warning in doc build (nilearn#4782)

doc/Makefile

@@ -79,50 +79,46 @@ force:
 view: _build/html/index.html
 	$(BROWSER) _build/html/index.html
 
-html:	sym_links sym_links_datasets glm_reports
+no_jekyll:
+	touch $(BUILDDIR)/html/.nojekyll
+
+html: no_jekyll	sym_links sym_links_datasets glm_reports
 	# These two lines make the build a bit more lengthy, and the
 	# the embedding of images more robust
 	rm -rf $(BUILDDIR)/html/_images
 	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	touch $(BUILDDIR)/html/.nojekyll
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
-html-strict:	sym_links sym_links_datasets glm_reports
+html-strict: no_jekyll sym_links sym_links_datasets glm_reports
 	# Build html documentation using a strict mode: Warnings are
 	# considered as errors.
 	make check
-	touch $(BUILDDIR)/html/.nojekyll
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
-html-modified-examples-only: 	sym_links sym_links_datasets glm_reports
+html-modified-examples-only: sym_links sym_links_datasets glm_reports
 	BUILD_DEV_HTML=1 $(SPHINXBUILD) -W --keep-going -D sphinx_gallery_conf.filename_pattern=$(PATTERN) -D sphinx_gallery_conf.run_stale_examples=True -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	touch $(BUILDDIR)/html/.nojekyll
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
-html-noplot: sym_links_datasets glm_reports
+html-noplot: no_jekyll sym_links_datasets glm_reports
 	BUILD_DEV_HTML=1 $(SPHINXBUILD) -D plot_gallery=0 -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	touch $(BUILDDIR)/html/.nojekyll
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
 html-noplot-noreport: sym_links_datasets
 	BUILD_DEV_HTML=1 $(SPHINXBUILD) -D plot_gallery=0 -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	touch $(BUILDDIR)/html/.nojekyll
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
 ci-html-noplot: sym_links_datasets glm_reports
 	BUILD_DEV_HTML=1 $(SPHINXBUILD) -W --keep-going -D plot_gallery=0 -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	touch $(BUILDDIR)/html/.nojekyll
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
-dirhtml:
+dirhtml: no_jekyll
 	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
-	touch $(BUILDDIR)/dirhtml .nojekyll
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
 

nilearn/datasets/func.py

@@ -2261,8 +2261,10 @@ def fetch_language_localizer_demo_dataset(
     Parameters
     ----------
     %(data_dir)s
+
     %(verbose)s
-    legacy_output: bool, default=True
+
+    legacy_output : :obj:`bool`, default=True
 
         .. versionadded:: 0.10.3
         .. deprecated::0.10.3
@@ -2278,18 +2280,22 @@ def fetch_language_localizer_demo_dataset(
     data : :class:`sklearn.utils.Bunch`
         Dictionary-like object, the interest attributes are :
 
-        - 'data_dir': :obj:`str` Path to downloaded dataset.
-        - 'func': :obj:`list` of :obj:`str`,
-                  Absolute paths of downloaded files on disk
-        - 'description' : :obj:`str`, dataset description
+        - ``'data_dir'``: :obj:`str` Path to downloaded dataset.
 
-    Legacy output
-    -------------
-    data_dir : :obj:`str`
-        Path to downloaded dataset.
+        - ``'func'``: :obj:`list` of :obj:`str`,
+          Absolute paths of downloaded files on disk
 
-    downloaded_files : :obj:`list` of :obj:`str`
-        Absolute paths of downloaded files on disk
+        - ``'description'`` : :obj:`str`, dataset description
+
+    .. warning::
+
+        LEGACY OUTPUT:
+
+        **data_dir** : :obj:`str`
+            Path to downloaded dataset.
+
+        **downloaded_files** : :obj:`list` of :obj:`str`
+            Absolute paths of downloaded files on disk
 
     """
     url = "https://osf.io/3dj2a/download"