Fix JENKINS-13673

src/main/resources/org/jenkinsci/plugins/sharedobjects/ToolInstallationJobProperty/help-populateToolInstallation.html

@@ -1,6 +1,8 @@
 <div>
     <p>
         Populate as environment variables the locations of installed tools (configured in the 'Manage Jenkins >
-        Configure System' section ).
+        Configure System' section ). <br/>
+        Tool names are exposed as an environment variables. Tool Paths are the environment variable values.<br/>
+        Space ( ), Dash (-) and dot (.) are replaced by an underscore (_) for tool names.
     </p>
 </div>