Updated annotation documentation

Change-Id: I0f797ca70e0bbe6964a19df00aee8030734b0b55
diff --git a/dev/scss/main/tutorial.scss b/dev/scss/main/tutorial.scss
index c13d368..c86a7cb 100644
--- a/dev/scss/main/tutorial.scss
+++ b/dev/scss/main/tutorial.scss
@@ -81,7 +81,7 @@
 
 dl {
   margin: 0;
-  padding-bottom: 2em;
+  padding-bottom: .5em;
   dt {
     font-weight: bold;
     abbr {