fix some typos in the doc

llvm-svn: 342628
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 6616b4c9e9ecdf68864cc1bdea4d4fa9dfd6f692
diff --git a/docs/conf.py b/docs/conf.py
index f532e30..50b372c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -241,7 +241,7 @@
 #texinfo_show_urls = 'footnote'
 
 
-# FIXME: Define intersphinx configration.
+# FIXME: Define intersphinx configuration.
 intersphinx_mapping = {}