[java-inspections] Improve 'AddUnknownTagToCustoms' warning message

GitOrigin-RevId: bceda7452262b53ca05624669f7d7723691abfc0

java/java-analysis-impl/src/messages/QuickFixBundle.properties

@@ -31,7 +31,7 @@ add.runtime.exception.to.throws.family=Add Runtime Exception to Method Signature
 add.typecast.family=Add type cast
 add.typecast.text=Cast to ''{0}''
 add.qualifier.typecast.text=Cast qualifier to ''{0}''
-add.docTag.to.custom.tags=Add {0} to custom tags
+add.docTag.to.custom.tags=Add ''@{0}'' to custom tags
 add.docTag.to.custom.tags.preview=Adds this tag to a list of custom tags that will be ignored by this inspection.
 fix.javadoc.family=Fix Javadoc
 adjust.package.family=Adjust Package Name

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/javadocTags/afterWrongTag.java

@@ -1,4 +1,4 @@
-// "Add foo to custom tags" "true"
+// "Add '@foo' to custom tags" "true"
 
 class Foo {
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/javadocTags/beforeWrongTag.java

@@ -1,4 +1,4 @@
-// "Add foo to custom tags" "true"
+// "Add '@foo' to custom tags" "true"
 
 class Foo {