pwmbus(9): some markup fixes

- whitespace at end of input line

MFC after:	3 days

1 files changed, 3 insertions, 3 deletions

diff --git a/share/man/man9/pwmbus.9 b/share/man/man9/pwmbus.9
index 5b0915c10812..a233d035dba9 100644
--- a/share/man/man9/pwmbus.9
+++ b/share/man/man9/pwmbus.9
@@ -68,11 +68,11 @@ argument is the duration in nanoseconds of the on portion of that cycle.
 .Pp
 Some PWM hardware is organized as a single controller with multiple channels.
 Channel numbers count up from zero.
-When multiple channels are present, they sometimes share a common clock or 
+When multiple channels are present, they sometimes share a common clock or
 other resources.
-In such cases, changing the period or duty cycle of any one channel may affect 
+In such cases, changing the period or duty cycle of any one channel may affect
 other channels within the hardware which share the same resources.
-Consult the documentation for the underlying PWM hardware device driver for 
+Consult the documentation for the underlying PWM hardware device driver for
 details on channels that share resources.
 .Sh INTERFACE
 .Bl -tag -width indent