a couple of typos

share/translations/cy.txt

@@ -7,7 +7,7 @@
 176: Glaw anghyson yn bosib             : Patchy rain possible
 179: Eira anghyson yn bosib             : Patchy snow possible
 182: Eirlaw anghyson yn bosib           : Patchy sleet possible
-185: Rhewi a glaw mân anghyson un bosib : Patchy freezing drizzle possible
+185: Rhewi a glaw mân anghyson yn bosib : Patchy freezing drizzle possible
 200: Mellt yn bosib                     : Thundery outbreaks possible
 227: Eira yn cael ei chwythu            : Blowing snow
 230: Storm eira                         : Blizzard
@@ -16,7 +16,7 @@
 263: Glaw mân ysgafn anghyson           : Patchy light drizzle
 266: Glaw mân ysgafn                    : Light drizzle
 281: Glaw mân rhewllyd                  : Freezing drizzle
-284: Glaw mân ysgafn trwm               : Heavy freezing drizzle
+284: Glaw mân rhewllyd trwm               : Heavy freezing drizzle
 293: Glaw ysgafn anghyson               : Patchy light rain
 296: Glaw ysgafn                        : Light rain
 299: Glaw cymedrol ar adegau            : Moderate rain at times
@@ -35,7 +35,7 @@
 338: Eira trwm                          : Heavy snow
 350: Pelenni iâ                         : Ice pellets
 353: Cawod o law ysgafn                 : Light rain shower
-356: Cawod o law ysgafn neu cymedrol    : Moderate or heavy rain shower
+356: Cawod o law cymedrol neu trwm      : Moderate or heavy rain shower
 359: Cawod o law trwm                   : Torrential rain shower
 362: Cawodydd o eirlaw ysgafn           : Light sleet showers
 365: Cawodydd o eirlaw cymedrol new trwm: Moderate or heavy sleet showers