1 files changed, 2 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/access.rb b/activesupport/lib/active_support/core_ext/string/access.rb
index 1a0b10b4f6..f6a14c08bc 100644
--- a/activesupport/lib/active_support/core_ext/string/access.rb
+++ b/activesupport/lib/active_support/core_ext/string/access.rb
@@ -76,7 +76,7 @@ class String
   #   str.first(0) # => ""
   #   str.first(6) # => "hello"
   def first(limit = 1)
-    self[0, limit] || (raise ArgumentError, "negative limit")
+    self[0, limit] || raise(ArgumentError, "negative limit")
   end
 
   # Returns the last character of the string. If a limit is supplied, returns a substring
@@ -90,6 +90,6 @@ class String
   #   str.last(0) # => ""
   #   str.last(6) # => "hello"
   def last(limit = 1)
-    self[[length - limit, 0].max, limit] || (raise ArgumentError, "negative limit")
+    self[[length - limit, 0].max, limit] || raise(ArgumentError, "negative limit")
   end
 end