Fix grammar in documentation

I must have been between "similar to" and "same as" and chose both.

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MOS_MIGRATED_REVID=130281024
diff --git a/src/main/java/com/google/devtools/build/lib/packages/Package.java b/src/main/java/com/google/devtools/build/lib/packages/Package.java
index e3f5954..90e3b59 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/Package.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/Package.java
@@ -1030,7 +1030,7 @@
     }
 
     /**
-     * Same to {@link #createRule(Label, RuleClass, Location, AttributeContainer)}, except
+     * Same as {@link #createRule(Label, RuleClass, Location, AttributeContainer)}, except
      * allows specifying an {@link ImplicitOutputsFunction} override. Only use if you know what
      * you're doing.
      */