diff --git a/CHANGES b/CHANGES
index 086b6f131..2a0743959 100644
--- a/CHANGES
+++ b/CHANGES
@@ -44,6 +44,8 @@ Bugs fixed
 * #185: References to section title including raw node has broken
 * #3255: In Py3.4 environment, autodoc doesn't support documentation for
   attributes of Enum class correctly.
+* #3261: ``latex_use_parts`` makes sphinx crash
+* The warning type ``misc.highlighting_failure`` does not work
 
 Release 1.5.1 (released Dec 13, 2016)
 =====================================
diff --git a/sphinx/builders/latex.py b/sphinx/builders/latex.py
index c8e1449f9..96c520555 100644
--- a/sphinx/builders/latex.py
+++ b/sphinx/builders/latex.py
@@ -247,7 +247,7 @@ def validate_config_values(app):
             app.warn('latex_use_parts conflicts with latex_toplevel_sectioning, ignored.')
         else:
             app.warn('latex_use_parts is deprecated. Use latex_toplevel_sectioning instead.')
-            app.config.latex_toplevel_sectioning = 'parts'  # type: ignore
+            app.config.latex_toplevel_sectioning = 'part'  # type: ignore
 
     if app.config.latex_use_modindex is not True:  # changed by user
         app.warn('latex_use_modindex is deprecated. Use latex_domain_indices instead.')
diff --git a/sphinx/highlighting.py b/sphinx/highlighting.py
index a3e36486f..94f562159 100644
--- a/sphinx/highlighting.py
+++ b/sphinx/highlighting.py
@@ -145,7 +145,7 @@ class PygmentsBridge(object):
             elif warn:
                 warn('Could not lex literal_block as "%s". '
                      'Highlighting skipped.' % lang,
-                     type='misc', subtype='higlighting_failure')
+                     type='misc', subtype='highlighting_failure')
             else:
                 raise exc
             hlsource = highlight(source, lexers['none'], formatter)