chore: fix spelling typos

Author: Sam Harrison

FIRST_TIMERS.md

@@ -61,13 +61,13 @@ Before creating a pull request, make sure that you respect the repository's cons
 * [Node.js SDK](https://github.com/sendgrid/sendgrid-nodejs/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
 * [Java SDK](https://github.com/sendgrid/sendgrid-java/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
 * [Go SDK](https://github.com/sendgrid/sendgrid-go/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
-* [Python STMPAPI Client](https://github.com/sendgrid/smtpapi-python/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
-* [PHP STMPAPI Client](https://github.com/sendgrid/smtpapi-php/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
-* [C# STMPAPI Client](https://github.com/sendgrid/smtpapi-csharp/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
-* [Ruby STMPAPI Client](https://github.com/sendgrid/smtpapi-ruby/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
-* [Node.js STMPAPI Client](https://github.com/sendgrid/smtpapi-nodejs/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
-* [Java STMPAPI Client](https://github.com/sendgrid/smtpapi-java/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
-* [Go STMPAPI Client](https://github.com/sendgrid/smtpapi-go/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
+* [Python SMTPAPI Client](https://github.com/sendgrid/smtpapi-python/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
+* [PHP SMTPAPI Client](https://github.com/sendgrid/smtpapi-php/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
+* [C# SMTPAPI Client](https://github.com/sendgrid/smtpapi-csharp/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
+* [Ruby SMTPAPI Client](https://github.com/sendgrid/smtpapi-ruby/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
+* [Node.js SMTPAPI Client](https://github.com/sendgrid/smtpapi-nodejs/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
+* [Java SMTPAPI Client](https://github.com/sendgrid/smtpapi-java/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
+* [Go SMTPAPI Client](https://github.com/sendgrid/smtpapi-go/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
 * [Python HTTP Client](https://github.com/sendgrid/python-http-client/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
 * [PHP HTTP Client](https://github.com/sendgrid/php-http-client/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)
 * [C# HTTP Client](https://github.com/sendgrid/csharp-http-client/issues?utf8=%E2%9C%93&q=is%3Aopen+label%3A%22difficulty%3A+easy%22+label%3A%22status%3A+help+wanted%22)