Fix spelling of "occurred".

Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/test/ut.h b/include/test/ut.h
index da7c1a9..85434d7 100644
--- a/include/test/ut.h
+++ b/include/test/ut.h
@@ -17,9 +17,9 @@
  * ut_fail() - Record failure of a unit test
  *
  * @uts: Test state
- * @fname: Filename where the error occured
- * @line: Line number where the error occured
- * @func: Function name where the error occured
+ * @fname: Filename where the error occurred
+ * @line: Line number where the error occurred
+ * @func: Function name where the error occurred
  * @cond: The condition that failed
  */
 void ut_fail(struct unit_test_state *uts, const char *fname, int line,
@@ -29,9 +29,9 @@
  * ut_failf() - Record failure of a unit test
  *
  * @uts: Test state
- * @fname: Filename where the error occured
- * @line: Line number where the error occured
- * @func: Function name where the error occured
+ * @fname: Filename where the error occurred
+ * @line: Line number where the error occurred
+ * @func: Function name where the error occurred
  * @cond: The condition that failed
  * @fmt: printf() format string for the error, followed by args
  */