diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index a3766758f9a77dcad035ea681ec6bebdb887a04a..eae03396152b735449f3876a6d60ea814875a49b 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -388,7 +388,7 @@ def check_xcode_prefix_exists
   return if prefix.nil?
   unless prefix.exist?
     <<-EOS.undent
-      The folder Xcode is reportedly installed to doesn't exist:
+      The directory Xcode is reportedly installed to doesn't exist:
         #{prefix}
       You may need to `xcode-select` the proper path if you have moved Xcode.
     EOS
diff --git a/Library/Homebrew/requirements/mpi_dependency.rb b/Library/Homebrew/requirements/mpi_dependency.rb
index e83f7d80c925ade74016c5b99d433606fa1cf67e..28a03d566ed706417b1ed35bbe4589dc415ea051 100644
--- a/Library/Homebrew/requirements/mpi_dependency.rb
+++ b/Library/Homebrew/requirements/mpi_dependency.rb
@@ -73,7 +73,7 @@ class MPIDependency < Requirement
         wrappers:
             #{@non_functional.join ', '}
 
-        If you have a MPI installation, please ensure the bin folder is on your
+        If you have a MPI installation, please ensure the bin directory is on your
         PATH and that all the wrappers are functional. Otherwise, a MPI
         installation can be obtained from homebrew by *picking one* of the
         following formulae: