zen of zig: reword the last one a little bit

doc/langref.html.in

@@ -11394,7 +11394,7 @@ keyword <- KEYWORD_align / KEYWORD_and / KEYWORD_anyframe / KEYWORD_anytype
         <li>Reduce the amount one must remember.</li>
         <li>Minimize energy spent on coding style.</li>
         <li>Resource deallocation must succeed.</li>
-        <li>Together we serve end users.</li>
+        <li>Together we serve the users.</li>
       </ul>
       {#header_close#}
       </div></div>

src-self-hosted/main.zig

@@ -911,7 +911,7 @@ pub const info_zen =
     \\ * Reduce the amount one must remember.
     \\ * Minimize energy spent on coding style.
     \\ * Resource deallocation must succeed.
-    \\ * Together we serve end users.
+    \\ * Together we serve the users.
     \\
     \\
 ;