diff --git a/sphinx/builders/latex/__init__.py b/sphinx/builders/latex/__init__.py
index f54134e15..c4335885f 100644
--- a/sphinx/builders/latex/__init__.py
+++ b/sphinx/builders/latex/__init__.py
@@ -394,7 +394,7 @@ class LaTeXBuilder(Builder):
 
     def write_message_catalog(self):
         # type: () -> None
-        filename = path.join(package_dir, 'templates', 'latex', 'sphinxmessage.sty_t')
+        filename = path.join(package_dir, 'templates', 'latex', 'sphinxmessages.sty_t')
         copy_asset_file(filename, self.outdir, context={}, renderer=LaTeXRenderer())
 
 
diff --git a/sphinx/templates/latex/latex.tex_t b/sphinx/templates/latex/latex.tex_t
index 61b5c4133..2c49c3179 100644
--- a/sphinx/templates/latex/latex.tex_t
+++ b/sphinx/templates/latex/latex.tex_t
@@ -36,7 +36,7 @@
 <%= hyperref %>
 <%= contentsname %>
 <%= numfig_format %>
-\input{sphinxmessage.sty}
+\input{sphinxmessages.sty}
 <%= pageautorefname %>
 <%= tocdepth %>
 <%= secnumdepth %>
diff --git a/sphinx/templates/latex/sphinxmessage.sty_t b/sphinx/templates/latex/sphinxmessages.sty_t
similarity index 86%
rename from sphinx/templates/latex/sphinxmessage.sty_t
rename to sphinx/templates/latex/sphinxmessages.sty_t
index 859532f2e..2413a1725 100644
--- a/sphinx/templates/latex/sphinxmessage.sty_t
+++ b/sphinx/templates/latex/sphinxmessages.sty_t
@@ -1,3 +1,8 @@
+%
+% sphinxmessages.sty
+%
+% message resources for Sphinx
+%
 \renewcommand{\literalblockcontinuedname}{<%= _('continued from previous page') | e %>}
 \renewcommand{\literalblockcontinuesname}{<%= _('continues on next page') | e %>}
 \renewcommand{\sphinxnonalphabeticalgroupname}{<%= _('Non-alphabetical') | e %>}