getting-started.md: fix typo in URL

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Change-Id: Iab790f363ce1029da9706be6be176e4320bdcdb9
Reviewed-on: https://bazel-review.googlesource.com/#/c/3906
MOS_MIGRATED_REVID=125951789
diff --git a/site/docs/getting-started.md b/site/docs/getting-started.md
index 6079002..d76b4ab 100644
--- a/site/docs/getting-started.md
+++ b/site/docs/getting-started.md
@@ -92,5 +92,5 @@
 
 # Next Steps
 
-Next, check out the tutorial on building [java](docs/tutorial/java.html)
+Next, check out the tutorial on building [java](/docs/tutorial/java.html)
 or [C++](/docs/tutorial/cpp.html) programs.