diff --git a/Source/SwiftLintCore/Models/RuleConfigurationDescription.swift b/Source/SwiftLintCore/Models/RuleConfigurationDescription.swift
index 66d4aeccf8..a25db38ca6 100644
--- a/Source/SwiftLintCore/Models/RuleConfigurationDescription.swift
+++ b/Source/SwiftLintCore/Models/RuleConfigurationDescription.swift
@@ -79,7 +79,11 @@ extension RuleConfigurationDescription: Documentable {
     }
 
     public func oneLiner() -> String {
-        options.map { $0.oneLiner() }.joined(separator: "; ")
+        oneLiner(separator: ";")
+    }
+
+    fileprivate func oneLiner(separator: String) -> String {
+        options.map { $0.oneLiner() }.joined(separator: "\(separator) ")
     }
 
     public func markdown() -> String {
@@ -186,7 +190,10 @@ extension OptionType: Documentable {
     }
 
     public func oneLiner() -> String {
-        yaml()
+        if case let .nested(value) = self {
+            return value.oneLiner(separator: ",")
+        }
+        return yaml()
     }
 
     public func yaml() -> String {
diff --git a/Tests/SwiftLintFrameworkTests/RequiredEnumCaseConfigurationTests.swift b/Tests/SwiftLintFrameworkTests/RequiredEnumCaseConfigurationTests.swift
index 1768d93485..6055b59a50 100644
--- a/Tests/SwiftLintFrameworkTests/RequiredEnumCaseConfigurationTests.swift
+++ b/Tests/SwiftLintFrameworkTests/RequiredEnumCaseConfigurationTests.swift
@@ -37,12 +37,12 @@ class RequiredEnumCaseConfigurationTests: SwiftLintTestCase {
     }
 
     func testConsoleDescriptionReturnsAllConfiguredProtocols() {
-        let expected = "NetworkResults: error: warning; RequiredProtocol: error: warning; success: warning"
+        let expected = "NetworkResults: error: warning; RequiredProtocol: error: warning, success: warning"
         XCTAssertEqual(config.parameterDescription?.oneLiner(), expected)
     }
 
     func testConsoleDescriptionReturnsNoConfiguredProtocols() {
-        let expected = "{Protocol Name}: {Case Name 1}: {warning|error}; {Case Name 2}: {warning|error}"
+        let expected = "{Protocol Name}: {Case Name 1}: {warning|error}, {Case Name 2}: {warning|error}"
 
         config.protocols.removeAll()
         XCTAssertEqual(config.parameterDescription?.oneLiner(), expected)
diff --git a/Tests/SwiftLintFrameworkTests/RuleConfigurationDescriptionTests.swift b/Tests/SwiftLintFrameworkTests/RuleConfigurationDescriptionTests.swift
index a46289ac06..c20313a705 100644
--- a/Tests/SwiftLintFrameworkTests/RuleConfigurationDescriptionTests.swift
+++ b/Tests/SwiftLintFrameworkTests/RuleConfigurationDescriptionTests.swift
@@ -427,7 +427,7 @@ class RuleConfigurationDescriptionTests: XCTestCase {
             """)
 
         XCTAssertEqual(description.oneLiner(), """
-            flag: true; nested 1: integer: 2; nested 2: float: 42.1; symbol: value; string: "value"
+            flag: true; nested 1: integer: 2, nested 2: float: 42.1, symbol: value; string: "value"
             """)
 
         XCTAssertEqual(description.yaml(), """