docs: Apply suggestions from code review

Co-authored-by: Günter Klatt <guenter.klatt@sap.com>

Author: flovogt

plugins/ui5-typescript-conversion/README.md

@@ -18,9 +18,9 @@ In Claude Code:
 /plugin install ui5-typescript-conversion@claude-plugins-official
 ```
 
-## Installing skills only
+## Installing Skills Only
 
-If your coding agent does not support plugins, you can install the skills directly using the [skills](https://www.npmjs.com/package/skills) package:
+If your coding agent doesn't support plugins, install the skills directly using the [skills](https://www.npmjs.com/package/skills) package:
 
 ```bash
 npx skills add UI5/plugins-coding-agents

plugins/ui5/README.md

@@ -22,9 +22,9 @@ In Claude Code:
 /plugin install ui5@claude-plugins-official
 ```
 
-## Installing skills only
+## Installing Skills Only
 
-If your coding agent does not support plugins, you can install the skills directly using the [skills](https://www.npmjs.com/package/skills) package:
+If your coding agent doesn't support plugins, install the skills directly using the [skills](https://www.npmjs.com/package/skills) package:
 
 ```bash
 npx skills add UI5/plugins-coding-agents