docs: fix typo

Change-Id: I2e8f28a917d0b09c0bf0a11f0db863ae7bf03ac8
test: make ds-docs
bug: 79156293
diff --git a/core/java/android/widget/RelativeLayout.java b/core/java/android/widget/RelativeLayout.java
index 6b324a5..167010b 100644
--- a/core/java/android/widget/RelativeLayout.java
+++ b/core/java/android/widget/RelativeLayout.java
@@ -73,7 +73,7 @@
  *
  * <p>This behavior has been preserved for apps that set <code>android:targetSdkVersion="17"</code>
  * or older in their manifest's <code>uses-sdk</code> tag for compatibility. Apps targeting SDK
- * version 18 or newer will receive the correct behavior</p>
+ * version 18 or newer will receive the correct behavior.</p>
  *
  * <p>See the <a href="{@docRoot}guide/topics/ui/layout/relative.html">Relative
  * Layout</a> guide.</p>