resolve comments warning

Signed-off-by: lowang_bh <lhui_wang@163.com>

klog.go

@@ -759,7 +759,7 @@ func (l *loggingT) printWithFileLine(s severity.Severity, logger *logWriter, fil
 	l.output(s, logger, buf, 2 /* depth */, file, line, alsoToStderr)
 }
 
-// if loggr is specified, will call loggr.Error, otherwise output with logging module.
+// if logger is specified, will call logger.Error, otherwise output with logging module.
 func (l *loggingT) errorS(err error, logger *logWriter, filter LogFilter, depth int, msg string, keysAndValues ...interface{}) {
 	if filter != nil {
 		msg, keysAndValues = filter.FilterS(msg, keysAndValues)
@@ -771,7 +771,7 @@ func (l *loggingT) errorS(err error, logger *logWriter, filter LogFilter, depth
 	l.printS(err, severity.ErrorLog, depth+1, msg, keysAndValues...)
 }
 
-// if loggr is specified, will call loggr.Info, otherwise output with logging module.
+// if logger is specified, will call logger.Info, otherwise output with logging module.
 func (l *loggingT) infoS(logger *logWriter, filter LogFilter, depth int, msg string, keysAndValues ...interface{}) {
 	if filter != nil {
 		msg, keysAndValues = filter.FilterS(msg, keysAndValues)
@@ -783,7 +783,7 @@ func (l *loggingT) infoS(logger *logWriter, filter LogFilter, depth int, msg str
 	l.printS(nil, severity.InfoLog, depth+1, msg, keysAndValues...)
 }
 
-// printS is called from infoS and errorS if loggr is not specified.
+// printS is called from infoS and errorS if logger is not specified.
 // set log severity by s
 func (l *loggingT) printS(err error, s severity.Severity, depth int, msg string, keysAndValues ...interface{}) {
 	// Only create a new buffer if we don't have one cached.