Spiffier: Fix grammar and sentence casing (#3316)

changes/issue-3292-3304-spiffier-casing

@@ -0,0 +1 @@
+* Fix grammar and sentence casing

frontend/components/forms/LabelForm/LabelForm.tsx

@@ -28,7 +28,7 @@ const PLATFORM_STRINGS: { [key: string]: string } = {
 };
 
 const platformOptions = [
-  { label: "All Platforms", value: "" },
+  { label: "All platforms", value: "" },
   { label: "macOS", value: "darwin" },
   { label: "Windows", value: "windows" },
   { label: "Ubuntu", value: "ubuntu" },

frontend/pages/hosts/ManageHostsPage/ManageHostsPage.tsx

@@ -1164,7 +1164,7 @@ const ManageHostsPage = ({
 
     return (
       <Modal
-        title="Edit Columns"
+        title="Edit columns"
         onExit={() => setShowEditColumnsModal(false)}
         className={`${baseClass}__invite-modal`}
       >

frontend/pages/hosts/ManageHostsPage/components/EditColumnsModal/EditColumnsModal.jsx

@@ -58,7 +58,7 @@ const EditColumnsModal = ({
 
   return (
     <div className={"edit-column-modal"}>
-      <p>Choose which columns you see</p>
+      <p>Choose which columns you see:</p>
       <div className={"modal-items"}>
         {columnItems.map((column) => {
           if (column.disableHidden) return null;