Change name of author in example documents

example/example.dtx

@@ -137,7 +137,7 @@
 %<*english>
 \title[Short Presentation Title]{Full Presentation Title}
 \subtitle[Short Presentation Subtitle]{Full Presentation Subtitle}
-\author[J.\,Doe]{Jane Doe \\ personal-id@mail.muni.cz}
+\author[R. Speedwagon]{Robert Speedwagon \\ personal-id@mail.muni.cz}
 %<arch>\institute[MU Archives]{Masaryk University Archives}
 %<ceitec>\institute[CEITEC MU]{Central European Institute of Technology, Masaryk University}
 %<cerit>\institute[CERIT-SC MU]{CERIT Scientific Cloud, Masaryk University}