Fix wording in risk bubble chart and permission template tooltips

sonar-core/src/main/resources/org/sonar/l10n/core.properties

@@ -866,7 +866,7 @@ projects.view.list=List
 projects.view.visualizations=Visualizations
 projects.worse_of_reliablity_and_security=Worse of Reliability and Security
 projects.visualization.risk=Risk
-projects.visualization.risk.description=Get quick insights into the operational risks in your projects. Any color but green indicates immediate risks: Bugs or Vulnerabilities that should be examined. A position at the top or right of the graph means that the longer-term health of the project may be at risk. Small green bubbles at the bottom-left are best.
+projects.visualization.risk.description=Get quick insights into the operational risks in your projects. Any color but green indicates immediate risks: Bugs or Vulnerabilities that should be examined. A position at the top or right of the graph means that the longer-term health of the project may be at risk. Green bubbles at the bottom-left are best.
 projects.visualization.reliability=Reliability
 projects.visualization.reliability.description=See bugs' operational risks to your projects. The closer a bubble's color is to red, the more severe the worst bugs in the project. Bubble size indicates bug volume in the project, and each bubble's vertical position reflects the estimated time to address the bugs in the project. Small green bubbles on the bottom edge are best.
 projects.visualization.security=Security
@@ -2446,7 +2446,7 @@ projects_role.turn_x_to_public=Turn "{0}" to Public
 projects_role.turn_project_to_public=Turn Project to Public
 projects_role.are_you_sure_to_turn_project_to_public=Are you sure you want to turn your project to public?
 projects_role.are_you_sure_to_turn_project_to_public.2=Everybody will be able to browse and see the source code of your project.
-projects_role.public_projects_warning=This permission is always granted by default to everybody (anonymous or authenticated user) for public projects. Therefore, the selection made on this page will be applied to private projects only.
+projects_role.public_projects_warning=This permission is always granted by default to everybody (anonymous and authenticated users) for public projects. Therefore, the selection made on this page will be applied to private projects only.