diff --git a/plinth/modules/help/templates/help_contribute.html b/plinth/modules/help/templates/help_contribute.html
index 9cb65254d..0d44bca16 100644
--- a/plinth/modules/help/templates/help_contribute.html
+++ b/plinth/modules/help/templates/help_contribute.html
@@ -34,8 +34,8 @@
       You can contribute by writing code, testing and reporting bugs, discussing
       new use cases and applications, designing logos and artwork, providing
       support to your fellow users, translating FreedomBox and its applications
-      into your language, hosting hackathons or install fests and by spreading the
-      word.
+      into your language, hosting hackathons or install fests, and by spreading
+      the word.
     {% endblocktrans %}
   </p>
 
@@ -46,9 +46,9 @@
       non-profit FreedomBox Foundation. Founded in 2011, the FreedomBox
       Foundation is a non-profit organization with 501(c)(3) status based in New
       York City that exists to support FreedomBox. It provides technical
-      infrastructure for the project, legal services, pursues partnerships, and
-      advocates for FreedomBox throughout the world. The FreedomBox Foundation
-      would not exist without its supporters.
+      infrastructure and legal services for the project, pursues partnerships,
+      and advocates for FreedomBox throughout the world. The FreedomBox
+      Foundation would not exist without its supporters.
     {% endblocktrans %}
   </p>