LOG4J2-1884 fix formatting issue in the manual
LOG4J2-1884 fix formatting issue in the manual

apache/logging-log4j2,apache/logging-log4j2,xnslong/logging-log4j2,apache/logging-log4j2,xnslong/logging-log4j2,codescale/logging-log4j2,GFriedrich/logging-log4j2,GFriedrich/logging-log4j2,codescale/logging-log4j2,GFriedrich/logging-log4j2,xnslong/logging-log4j2,codescale/logging-log4j2