[gnome-calendar] month-popover: typo fix in comment

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit b83b2b4e46a422fa1bf157214b3282a64dba3c63
Author: Günther Wutz <info gunibert de>
Date:   Thu Nov 16 20:09:57 2017 +0100

    month-popover: typo fix in comment

 src/views/gcal-month-popover.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/views/gcal-month-popover.c b/src/views/gcal-month-popover.c
index badf2c3..fe9e53b 100644
--- a/src/views/gcal-month-popover.c
+++ b/src/views/gcal-month-popover.c
@@ -152,7 +152,7 @@ animate_size (GcalMonthPopover *self,
   if (self->size_animation)
     dzl_animation_stop (self->size_animation);
 
-  /* Animate the opacity */
+  /* Animate the size */
   animation = dzl_object_animate (self,
                                   DZL_ANIMATION_EASE_IN_OUT_CUBIC,
                                   200,