Fix typo (becaused).

PiperOrigin-RevId: 228243613
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java b/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
index 7673297..0e726e5 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
@@ -38,7 +38,7 @@
       SkyFunctionName.createHermetic("FILE_SYMLINK_INFINITE_EXPANSION_UNIQUENESS");
   public static final SkyFunctionName DIRECTORY_LISTING =
       SkyFunctionName.createHermetic("DIRECTORY_LISTING");
-  // Hermetic even though package lookups secretly access the set of deleted packages, becaused
+  // Hermetic even though package lookups secretly access the set of deleted packages, because
   // SequencedSkyframeExecutor deletes any affected PACKAGE_LOOKUP nodes when that set changes.
   public static final SkyFunctionName PACKAGE_LOOKUP =
       SkyFunctionName.createHermetic("PACKAGE_LOOKUP");