[guadec-web/oscp-2019] Mention CfP deadline time

[Tom Tryfonidis <tomtryf src gnome org>]

commit 52940bf51f1fb4f94c90b33487b3e5302fe1da95
Author: Tom Tryfonidis <tomtryf gmail com>
Date:   Thu Apr 18 21:42:57 2019 +0300

    Mention CfP deadline time
    
    Fixes https://gitlab.gnome.org/Teams/Events/GUADEC/GUADEC2019/issues/50

 content/pages/submit-a-proposal.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/content/pages/submit-a-proposal.md b/content/pages/submit-a-proposal.md
index 711d196..a5ae56c 100644
--- a/content/pages/submit-a-proposal.md
+++ b/content/pages/submit-a-proposal.md
@@ -6,7 +6,7 @@ Authors: Tom
 
 ### Dates to remember
 
-* CFP Deadline: 13 May 2019 (Timezone is <span class="badge badge-info">UTC +3</span> Europe/Athens)
+* CFP Deadline: 23:59, 13 May 2019 (Timezone is <span class="badge badge-info">UTC +3</span> Europe/Athens)
 * CFP Notifications: end of May, 2019
 * Schedule Announcement: June, 2019
 * BoF signup: <span class="badge badge-info">TBA</span>