diff --git a/.swiftlint.yml b/.swiftlint.yml
index 9f3e25b..3082032 100644
--- a/.swiftlint.yml
+++ b/.swiftlint.yml
@@ -1,5 +1,4 @@
 disabled_rules:
-  - colon
   - control_statement
   - file_length
   - force_cast
diff --git a/SwiftGit2/CheckoutStrategy.swift b/SwiftGit2/CheckoutStrategy.swift
index ed0fb73..c03da31 100644
--- a/SwiftGit2/CheckoutStrategy.swift
+++ b/SwiftGit2/CheckoutStrategy.swift
@@ -10,7 +10,7 @@ import libgit2
 
 /// The flags defining how a checkout should be performed.
 /// More detail is available in the libgit2 documentation for `git_checkout_strategy_t`.
-public struct CheckoutStrategy : OptionSet {
+public struct CheckoutStrategy: OptionSet {
 	private let value: UInt
 	
 	// MARK: - Initialization