Fix typo in LegacyIncludeScanner comment

PiperOrigin-RevId: 972527158
Change-Id: I1efab1c2a9b7eb8b5a6c157f2baf21558a0464ec

src/main/java/com/google/devtools/build/lib/includescanning/LegacyIncludeScanner.java

diff --git a/src/main/java/com/google/devtools/build/lib/includescanning/LegacyIncludeScanner.java b/src/main/java/com/google/devtools/build/lib/includescanning/LegacyIncludeScanner.java
index cbfcd90..d99192f 100644
--- a/src/main/java/com/google/devtools/build/lib/includescanning/LegacyIncludeScanner.java
+++ b/src/main/java/com/google/devtools/build/lib/includescanning/LegacyIncludeScanner.java
@@ -801,7 +801,7 @@
         try {
           inclusions = Preconditions.checkNotNull(previous.get(), source);
         } catch (ExecutionException e) {
-          // An exception occured when some other thread tried to load the same file that we are
+          // An exception occurred when some other thread tried to load the same file that we are
           // waiting for. If this is a MissingDepExecException, we have to simply retry as otherwise
           // we'd end up in an unexpected state (not requesting any deps, but claiming that there
           // are missing ones). For other exceptions, this might not be necessary but is safe to do