diff --git a/_posts/meetup/2015-10-20-Infrastructure-backend-pour-les-applications-mobiles.md b/_posts/meetup/2015-10-20-Infrastructure-backend-pour-les-applications-mobiles.md
index 19d6858..b9dc6d8 100755
--- a/_posts/meetup/2015-10-20-Infrastructure-backend-pour-les-applications-mobiles.md
+++ b/_posts/meetup/2015-10-20-Infrastructure-backend-pour-les-applications-mobiles.md
@@ -6,7 +6,7 @@ meetup: 226054799
 modified:
 categories: meetup
 hidden: false
-author:  Michael_Keith
+author: michael_keith
 tags: []
 comments: true
 share: true
@@ -25,4 +25,4 @@ Le développement d’application web ne va pas disparaitre demain, mais clairem
 
 __Extras__
 
-- drinks are available thanks to Oracle.
\ No newline at end of file
+- drinks are available thanks to Oracle.
diff --git a/images/speakers/jean_Philippe_Bempel.jpg b/images/speakers/jean_philippe_bempel.jpg
similarity index 100%
rename from images/speakers/jean_Philippe_Bempel.jpg
rename to images/speakers/jean_philippe_bempel.jpg
diff --git a/images/speakers/michael_keith.jpg b/images/speakers/michael_keith.jpg
new file mode 100644
index 0000000..9168e2a
Binary files /dev/null and b/images/speakers/michael_keith.jpg differ
diff --git a/images/speakers/Stefan_Oehme.jpg b/images/speakers/stefan_oehme.jpg
similarity index 100%
rename from images/speakers/Stefan_Oehme.jpg
rename to images/speakers/stefan_oehme.jpg