polish StepExecution

Closes: gh-5025

Author: therepanic

spring-batch-core/src/main/java/org/springframework/batch/core/step/StepExecution.java

@@ -491,7 +491,7 @@ public String toString() {
 	 */
 	public String getSummary() {
 		return super.toString() + String.format(
-				", name=%s, status=%s, exitStatus=%s, readCount=%d, filterCount=%d, writeCount=%d readSkipCount=%d, writeSkipCount=%d"
+				", name=%s, status=%s, exitStatus=%s, readCount=%d, filterCount=%d, writeCount=%d, readSkipCount=%d, writeSkipCount=%d"
 						+ ", processSkipCount=%d, commitCount=%d, rollbackCount=%d",
 				stepName, status, exitStatus.getExitCode(), readCount, filterCount, writeCount, readSkipCount,
 				writeSkipCount, processSkipCount, commitCount, rollbackCount);