diff --git a/common.mk b/common.mk
index 08fee9119a1ef9..e2fd5c4b279f7e 100644
--- a/common.mk
+++ b/common.mk
@@ -1620,6 +1620,11 @@ test-syntax-suggest:
 
 check: $(DOT_WAIT) $(PREPARE_SYNTAX_SUGGEST) test-syntax-suggest
 
+RAKER = $(XRUBY) -I$(srcdir)/gems/lib$(PATH_SEPARATOR)$(srcdir)/.bundle/lib \
+	-rrubygems $(srcdir)/.bundle/bin/rake
+rake:
+	$(RAKER) $(RAKE_OPTS) $(RAKE)
+
 test-bundler-precheck: $(TEST_RUNNABLE)-test-bundler-precheck
 no-test-bundler-precheck:
 yes-test-bundler-precheck: main $(arch)-fake.rb
diff --git a/ractor.rb b/ractor.rb
index 6679ad15886d88..ac04237fc6e4f1 100644
--- a/ractor.rb
+++ b/ractor.rb
@@ -653,7 +653,7 @@ def unmonitor port
   # in the Proc will be replaced with the value passed via the `self:` keyword,
   # or +nil+ if not given.
   #
-  # In a shareable Proc, access to any outer variables if prohibited.
+  # In a shareable Proc, access to any outer variables is prohibited.
   #
   #     a = 42
   #     Ractor.shareable_proc{ p a }