[libgweather] lib: Fix typo in enumeration documentation

[Bastien Nocera <hadess src gnome org>]

commit c962089b6c3bd5bb57961393b0befd9ca431fc39
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Mar 2 15:14:56 2018 +0100

    lib: Fix typo in enumeration documentation
    
    s/millimiters/millimeters/
    
    Closes !1

 libgweather/gweather-enums.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libgweather/gweather-enums.h b/libgweather/gweather-enums.h
index a0df282..93943aa 100644
--- a/libgweather/gweather-enums.h
+++ b/libgweather/gweather-enums.h
@@ -75,7 +75,7 @@ typedef enum { /*< underscore_name=gweather_speed_unit >*/
  * @GWEATHER_PRESSURE_UNIT_HPA: hectoPascal (* 10^2 Pa); also known
  *                              as millibars, but formatted differently
  * @GWEATHER_PRESSURE_UNIT_MB: millibars; same as %GWEATHER_PRESSURE_UNIT_HPA
- * @GWEATHER_PRESSURE_UNIT_MM_HG: millimiters of mercury
+ * @GWEATHER_PRESSURE_UNIT_MM_HG: millimeters of mercury
  * @GWEATHER_PRESSURE_UNIT_INCH_HG: inches of mercury
  * @GWEATHER_PRESSURE_UNIT_ATM: atmospheres
  *