iox-eclipse-iceoryx#590 Use PlantUML instead of plantuml in doc

Signed-off-by: Dietrich Krönke <dietrich.kroenke@apex.ai>

doc/aspice_swe3_4/swe_docu_guidelines.md

@@ -15,7 +15,7 @@ To generate the documentation you need to install:
 ```bash
 sudo apt install doxygen graphviz texlive-base texlive-font-utils texlive-latex-extra
 ```
-The documentation we use plantuml for describing dynamic behavior in the code (sequence or activity diagrams).
+The documentation we use PlantUML for describing dynamic behavior in the code (sequence or activity diagrams).
 Needed package:
 ```bash
 sudo apt install plantuml
@@ -103,7 +103,7 @@ See the header files under iceoryx/doc/aspice_swe3_4/example.
 
 ### PlantUML
 
-if you want to make complex aspects of your implementation visible, you can write plantuml directly into the 
+if you want to make complex aspects of your implementation visible, you can write PlantUML directly into the 
 doxygen description of your class. An example can be found at [example_base_class.hpp](example/iceoryx_component/source/example_module/example_base_class.hpp)
 
 Having PlantUML installed is not a must. If you want to use it you need to install it, and the variable `PLANTUML_JAR_PATH` needs to be set.

doc/design/README.md

@@ -7,10 +7,10 @@ In [draft](./draft/) are design drafts of current features contained which are u
 implementation. The goal is to provide other developers a first idea on how
 the feature can be used and how it will be implemented.
 
-## Add diagrams using plantuml
+## Add diagrams using PlantUML
 
-Diagrams in the design documentation can be done with [plantuml](https://plantuml.com/).
-For using plantuml we recommend to use the latest version with the following required packages:
+Diagrams in the design documentation can be done with [PlantUML](https://plantuml.com/).
+For using PlantUML we recommend to use the latest version with the following required packages:
 
 ```bash
 sudo apt install default-jre-headless graphviz
@@ -19,11 +19,11 @@ sudo apt install default-jre-headless graphviz
 A good online-editor with cheat-sheet can be found at [https://plantuml-editor.kkeisuke.com](https://plantuml-editor.kkeisuke.com).
 Alternatively you can use extensions in your IDE.
 
-The integration of the generated plantuml into your design documents is done via *.svg files.
-You need to create a .puml file and export it to .svg afterwards for linking it with the markdown. In the tools folder is a helper script for that provided which downloads a defined version of plantuml to export the vector graphics.
-These steps are necessary due to the current support of plantuml in [Github](https://github.community/t/support-uml-diagrams-in-markdown-with-plantuml-syntax/626).
+The integration of the generated PlantUML into your design documents is done via *.svg files.
+You need to create a .puml file and export it to .svg afterwards for linking it with the markdown. In the tools folder is a helper script for that provided which downloads a defined version of PlantUML to export the vector graphics.
+These steps are necessary due to the current support of PlantUML in [Github](https://github.community/t/support-uml-diagrams-in-markdown-with-plantuml-syntax/626).
 
-**NOTE:** Please set in the plantuml code the background manually to make all textboxes visible to users with dark-mode enabled in the Github-UI.
+**NOTE:** Please set in the PlantUML code the background manually to make all textboxes visible to users with dark-mode enabled in the Github-UI.
 
 ```plantuml
 @startuml