Minor update

src/content/collab_proj_course.rst

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 Collaborative Software Engineering Project in Computational Physics
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-`SeSE PhD course <https://sese.nu>`, 9 ECTS.
+`SeSE PhD course <https://sese.nu>`__, 9 ECTS.
 
 Next course start: August 30, 2021.
 
@@ -39,8 +39,8 @@ Depending on the corona situation, it may also be possible to attend the lecture
 Course dates and organization
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-Introductory part: August 30 - October 15. During this time there will be 10 lectures and 4 practical hands-on exercises. During this period the project groups organize, plan, and prepare their projects.
+**August 30 - October 15** *Introductionary part:* During this time there will be 10 lectures and 4 practical hands-on exercises. During this period the project groups organize, plan, and prepare their projects.
 
-Project execution part: November 1 - December 17. During this time the project groups conduct the project work. The work is coordinated over the Internet using the tools for collaborative software engineering covered in the course.
+**November 1 - December 17** *Project execution part:* During this time the project groups conduct the project work. The work is coordinated over the Internet using the tools for collaborative software engineering covered in the course.
 
 The project execution part ends with an oral presentation and a written final report. These are meant to be completed before the holidays, but in case the final report needs further revision final deadline is January 15, 2022.