diff --git a/data/core.yaml b/data/core.yaml
index 95814d96f..8959caedc 100644
--- a/data/core.yaml
+++ b/data/core.yaml
@@ -238,7 +238,7 @@ en:
     localized_translation_label: Multilingual name
     localized_translation_language: Choose language
     localized_translation_name: Name
-  zoom_in_edit: Zoom in to Edit
+  zoom_in_edit: Zoom in to edit
   login: login
   logout: logout
   loading_auth: "Connecting to OpenStreetMap..."
@@ -499,7 +499,7 @@ en:
     welcome: Welcome to the iD OpenStreetMap editor
     text: "iD is a friendly but powerful tool for contributing to the world's best free world map. This is version {version}. For more information see {website} and report bugs at {github}."
     walkthrough: "Start the Walkthrough"
-    start: "Edit Now"
+    start: "Edit now"
   source_switch:
     live: live
     lose_changes: "You have unsaved changes. Switching the map server will discard them. Are you sure you want to switch servers?"
@@ -527,8 +527,8 @@ en:
     tag_suggests_area: "The tag {tag} suggests line should be area, but it is not an area"
     deprecated_tags: "Deprecated tags: {tags}"
   zoom:
-    in: Zoom In
-    out: Zoom Out
+    in: Zoom in
+    out: Zoom out
   cannot_zoom: "Cannot zoom out further in current mode."
   full_screen: Toggle Full Screen
   gpx:
diff --git a/dist/locales/en-GB.json b/dist/locales/en-GB.json
index 858563f21..e2347c502 100644
--- a/dist/locales/en-GB.json
+++ b/dist/locales/en-GB.json
@@ -310,7 +310,7 @@
             "localized_translation_language": "Choose language",
             "localized_translation_name": "Name"
         },
-        "zoom_in_edit": "Zoom in to Edit",
+        "zoom_in_edit": "Zoom in to edit",
         "login": "login",
         "logout": "logout",
         "loading_auth": "Connecting to OpenStreetMap...",
@@ -613,7 +613,7 @@
             "welcome": "Welcome to the iD OpenStreetMap editor",
             "text": "iD is a friendly but powerful tool for contributing to the World's best free World map. This is version {version}. For more information see {website} and report bugs at {github}.",
             "walkthrough": "Start the Walkthrough",
-            "start": "Edit Now"
+            "start": "Edit now"
         },
         "source_switch": {
             "live": "live",
@@ -646,8 +646,8 @@
             "deprecated_tags": "Deprecated tags: {tags}"
         },
         "zoom": {
-            "in": "Zoom In",
-            "out": "Zoom Out"
+            "in": "Zoom in",
+            "out": "Zoom out"
         },
         "cannot_zoom": "Cannot zoom out further in current mode.",
         "full_screen": "Toggle Full Screen",
diff --git a/dist/locales/en.json b/dist/locales/en.json
index 96768d2c4..70b39117b 100644
--- a/dist/locales/en.json
+++ b/dist/locales/en.json
@@ -310,7 +310,7 @@
             "localized_translation_language": "Choose language",
             "localized_translation_name": "Name"
         },
-        "zoom_in_edit": "Zoom in to Edit",
+        "zoom_in_edit": "Zoom in to edit",
         "login": "login",
         "logout": "logout",
         "loading_auth": "Connecting to OpenStreetMap...",
@@ -613,7 +613,7 @@
             "welcome": "Welcome to the iD OpenStreetMap editor",
             "text": "iD is a friendly but powerful tool for contributing to the world's best free world map. This is version {version}. For more information see {website} and report bugs at {github}.",
             "walkthrough": "Start the Walkthrough",
-            "start": "Edit Now"
+            "start": "Edit now"
         },
         "source_switch": {
             "live": "live",
@@ -646,8 +646,8 @@
             "deprecated_tags": "Deprecated tags: {tags}"
         },
         "zoom": {
-            "in": "Zoom In",
-            "out": "Zoom Out"
+            "in": "Zoom in",
+            "out": "Zoom out"
         },
         "cannot_zoom": "Cannot zoom out further in current mode.",
         "full_screen": "Toggle Full Screen",