Fix typo in Retrier.java.

Closes #5941.

PiperOrigin-RevId: 210900044
diff --git a/src/main/java/com/google/devtools/build/lib/remote/Retrier.java b/src/main/java/com/google/devtools/build/lib/remote/Retrier.java
index 9d7228d..68b8e8a 100644
--- a/src/main/java/com/google/devtools/build/lib/remote/Retrier.java
+++ b/src/main/java/com/google/devtools/build/lib/remote/Retrier.java
@@ -373,7 +373,7 @@
       String message =
           waitMillis >= 0
               ? "Status not retriable."
-              : "Exhaused retry attempts (" + backoff.getRetryAttempts() + ")";
+              : "Exhausted retry attempts (" + backoff.getRetryAttempts() + ")";
       RetryException error = new RetryException(message, backoff.getRetryAttempts(), e);
       outerF.setException(error);
     }