Improve wording

Author: ohsayan

templates/policies/media-guide.hbs

@@ -55,7 +55,7 @@
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     <h3 id="appearing-official-affiliated-or-endorsed">Appearing official, affiliated, or endorsed</h3>
     <p>The most basic rule is that the Rust trademarks cannot be used in ways that appear (to a casual observer) official, affiliated, or endorsed by the Rust project or Mozilla, unless you have written permission from the Rust core team. This is the fundamental way we protect users and developers from confusion.</p>
-    <p>Since this rule is about managing perception, it is subjective and somewhat difficult to nail down concretely. There are some obvious ways to avoid problems, like including the word “unofficial” in a very prominent way, but if you have any doubts, we would be more than happy to help; just send mail to <a href="mailto:[email protected]">[email protected]</a>.</p>
+    <p>Since this rule is about managing perception, it is subjective and somewhat difficult to nail down concretely. There are some obvious ways to avoid problems, like including the word “unofficial” in a very prominent way, but if you have any doubts, we would be more than happy to help; just send an e-mail to <a href="mailto:[email protected]">[email protected]</a>.</p>
     <h3 id="the-basics-referring-to-rustcargo">The basics: referring to Rust/Cargo</h3>
     <p>As with any trademark, the Rust and Cargo word marks can be used with minimal restriction to refer to the Rust programming language and the Cargo package manager and registry.</p>
     <p>They may not be used:</p>