diff --git a/locales/cy/browser/browser/zen-workspaces.ftl b/locales/cy/browser/browser/zen-workspaces.ftl
index 819788061..6bb659731 100644
--- a/locales/cy/browser/browser/zen-workspaces.ftl
+++ b/locales/cy/browser/browser/zen-workspaces.ftl
@@ -2,64 +2,64 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-zen-panel-ui-workspaces-text = Workspaces
+zen-panel-ui-workspaces-text = Gofodau Gwaith
 zen-panel-ui-workspaces-create = 
-    .label = Create Space
+    .label = Creu Gofod
 zen-panel-ui-folder-create = 
-    .label = Create Folder
+    .label = Creu Ffolder
 zen-panel-ui-new-empty-split = 
-    .label = New Split
+    .label = Hollt Newydd
 zen-workspaces-panel-context-delete = 
-    .label = Delete Workspace
+    .label = Dileu Gofod Gwaith
     .accesskey = D
 zen-workspaces-panel-change-name = 
-    .label = Change Name
+    .label = Newid Enw
 zen-workspaces-panel-change-icon = 
-    .label = Change Icon
+    .label = Newid Eicon
 zen-workspaces-panel-context-default-profile = 
-    .label = Set Profile
+    .label = Gosod Proffil
 zen-workspaces-panel-unload = 
-    .label = Unload Space
-zen-workspaces-how-to-reorder-title = How to reorder spaces
-zen-workspaces-how-to-reorder-desc = Drag the space icons at the bottom of the sidebar to reorder them
+    .label = Dadlwytho Gofod
+zen-workspaces-how-to-reorder-title = Sut i aildrefnu gofodau
+zen-workspaces-how-to-reorder-desc = Llusgwch yr eiconau gofod ar waelod y bar ochr i'w haildrefnu
 zen-workspaces-change-theme = 
-    .label = Edit Theme
+    .label = Golygu Thema
 zen-workspaces-panel-context-open = 
-    .label = Open Workspace
-    .accesskey = O
+    .label = Agor Gofod Gwaith
+    .accesskey = G
 zen-workspaces-panel-context-edit = 
-    .label = Edit Workspace
-    .accesskey = E
+    .label = Golygu Gofod
+    .accesskey = G
 context-zen-change-workspace-tab = 
-    .label = Change Tab(s) To Workspace
-    .accesskey = C
+    .label = Newid Tab(iau) i Ofod Gwaith
+    .accesskey = N
 zen-bookmark-edit-panel-workspace-selector = 
-    .value = Workspaces
-    .accesskey = W
+    .value = Gofodau Gwaith
+    .accesskey = o
 zen-panel-ui-gradient-generator-algo-complementary = 
-    .label = Complementary
+    .label = Cyflenwol
 zen-panel-ui-gradient-generator-algo-splitComplementary = 
-    .label = Split
+    .label = Hollti
 zen-panel-ui-gradient-generator-algo-analogous = 
-    .label = Analogous
+    .label = Cyfatebol
 zen-panel-ui-gradient-generator-algo-triadic = 
-    .label = Triadic
+    .label = Triadig
 zen-panel-ui-gradient-generator-algo-floating = 
-    .label = Floating
-zen-panel-ui-gradient-click-to-add = Click to add a color
+    .label = Arnofiol
+zen-panel-ui-gradient-click-to-add = Cliciwch i ychwanegu lliw
 zen-workspace-creation-name = 
-    .placeholder = Space Name
+    .placeholder = Enw'r Gofod
 zen-workspaces-panel-context-reorder = 
-    .label = Reorder Spaces
-zen-workspace-creation-profile = Profile
-    .tooltiptext = Profiles are used to separate cookies and site data between spaces.
-zen-workspace-creation-header = Create a Space
-zen-workspace-creation-label = Spaces are used to organize your tabs and sessions.
-zen-workspaces-delete-workspace-title = Delete Workspace?
-zen-workspaces-delete-workspace-body = Are you sure you want to delete { $name }? This action cannot be undone.
+    .label = Aildrefnu Gofodau
+zen-workspace-creation-profile = Proffil
+    .tooltiptext = Mae proffiliau'n cael eu defnyddio i wahanu cwcis a data gwefan rhwng gofodau.
+zen-workspace-creation-header = Creu Gofod
+zen-workspace-creation-label = Mae gofodau'n cael eu defnyddio i drefnu eich tabiau a'ch sesiynau.
+zen-workspaces-delete-workspace-title = Dileu Gofod Gwaith?
+zen-workspaces-delete-workspace-body = Ydych chi'n siŵr eich bod chi eisiau dileu { $name }? Does dim modd dadwneud y weithred hon.
 # Note that the html tag MUST not be changed or removed, as it is used to better
 # display the shortcut in the toast notification.
-zen-workspaces-close-all-unpinned-tabs-toast = Tabs Closed! Use <span>{ $shortcut }</span> to undo.
+zen-workspaces-close-all-unpinned-tabs-toast = Tabiau wedi'u Cau! Defnyddiwch <span>{ $shortcut }</span> i'w hailagor.
 zen-workspaces-close-all-unpinned-tabs-title = 
-    .label = Clear
-    .tooltiptext = Close all unpinned tabs
+    .label = Clirio
+    .tooltiptext = Cau pob tab heb ei binio