diff --git a/lib/utils/text-utils.js b/lib/utils/text-utils.js
--- a/lib/utils/text-utils.js
+++ b/lib/utils/text-utils.js
@@ -1,24 +1,52 @@
 // @flow
 
-function pluralize(
-  nouns: $ReadOnlyArray<string>,
+function basePluralize<T>(
+  nouns: $ReadOnlyArray<T>,
   maxNumberOfNouns: number = 3,
-): string {
+  composeFunc: (T | string, ?T | string) => T,
+): T {
+  const baseCase = composeFunc('');
+
   if (nouns.length === 0 || maxNumberOfNouns <= 0) {
-    return '';
+    return baseCase;
   } else if (nouns.length === 1) {
     return nouns[0];
   } else if (maxNumberOfNouns === 1) {
-    return `${nouns.length} users`;
+    return composeFunc(`${nouns.length} users`);
   }
 
   const comma = maxNumberOfNouns > 2 && nouns.length > 2 ? ',' : '';
   if (nouns.length <= maxNumberOfNouns) {
-    const prefix = nouns.slice(0, -1).join(', ');
-    return `${prefix}${comma} and ${nouns[nouns.length - 1]}`;
+    const allButLast = nouns.slice(0, -1);
+    const mostlyComposed = allButLast.reduce(
+      (partlyComposed, noun) =>
+        composeFunc(composeFunc(partlyComposed, noun), `${comma} `),
+      baseCase,
+    );
+    return composeFunc(
+      composeFunc(mostlyComposed, 'and '),
+      nouns[nouns.length - 1],
+    );
   }
-  const prefix = nouns.slice(0, maxNumberOfNouns - 1).join(', ');
-  return `${prefix}${comma} and ${nouns.length - maxNumberOfNouns + 1} others`;
+  const explicitNouns = nouns.slice(0, maxNumberOfNouns - 1);
+  const mostlyComposed = explicitNouns.reduce(
+    (partlyComposed, noun) =>
+      composeFunc(composeFunc(partlyComposed, noun), `${comma} `),
+    baseCase,
+  );
+  return composeFunc(
+    composeFunc(mostlyComposed, 'and '),
+    `${nouns.length - maxNumberOfNouns + 1} others`,
+  );
+}
+
+function pluralize(
+  nouns: $ReadOnlyArray<string>,
+  maxNumberOfNouns: number = 3,
+): string {
+  return basePluralize(nouns, maxNumberOfNouns, (a: string, b: ?string) =>
+    b ? a + b : a,
+  );
 }
 
 function trimText(text: string, maxLength: number): string {
@@ -43,4 +71,4 @@
   return trimText(pluralize(nouns, 1), maxLength);
 }
 
-export { pluralize, trimText, pluralizeAndTrim };
+export { basePluralize, pluralize, trimText, pluralizeAndTrim };