edit: 2nd lecture fix typo

lectures/revealjs/02-git-plus-plus.adoc

@@ -80,7 +80,7 @@ include::{includedir}scm_content.adoc[]
 
 == What is GitLab
 
-Is a complete devops solution that does reposiitory hosting, issue tracking, agile planning, code review, ci/cd and more. It started as an open source project and it still has a community edition which is free and open source
+Is a complete devops solution that does repository hosting, issue tracking, agile planning, code review, ci/cd and more. It started as an open source project and it still has a community edition which is free and open source
 
 
 
@@ -91,8 +91,12 @@ Is a complete devops solution that does reposiitory hosting, issue tracking, agi
 
 [background-color = "#124990"]
 [color = "#fff6d5"]
-== Gitpod
+== Summary
 
+== Next week
+
+ - more on git and gitlab
+ - talk about containers for development
 
 
 include::{includedir}footer.adoc[]
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