Add missing backticks in documentation

Change-Id: I87fede197fa5927d796a13152e720559b0ea6d4d

src/main/resources/Documentation/build.md

diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index a816e2b..f33d010 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -71,7 +71,7 @@
 
 ```
 bazelisk test //plugins/@PLUGIN@/...
-
+```
 
 ### MacOS specifics when using docker based spanner emulator