12 files changed, 13 insertions, 13 deletions
diff --git a/Library/Formula/gdal.rb b/Library/Formula/gdal.rb
index 17eedd0e8..a34bcc2c3 100644
--- a/Library/Formula/gdal.rb
+++ b/Library/Formula/gdal.rb
@@ -106,7 +106,7 @@ class Gdal < Formula
       "--with-curl=/usr/bin/curl-config",
 
       # GRASS backend explicitly disabled.  Creates a chicken-and-egg problem.
-      # Should be installed seperately after GRASS installation using the
+      # Should be installed separately after GRASS installation using the
       # official GDAL GRASS plugin.
       "--without-grass",
       "--without-libgrass",
@@ -172,7 +172,7 @@ class Gdal < Formula
     args << "--with-pg=#{HOMEBREW_PREFIX}/bin/pg_config" if postgres?
     args << "--with-mysql=#{HOMEBREW_PREFIX}/bin/mysql_config" if mysql?
 
-    args << "--without-python" # Installed using a seperate set of
+    args << "--without-python" # Installed using a separate set of
                                          # steps so that everything winds up
                                          # in the prefix.
 
diff --git a/Library/Formula/grass.rb b/Library/Formula/grass.rb
index 82f0cc213..e0264461d 100644
--- a/Library/Formula/grass.rb
+++ b/Library/Formula/grass.rb
@@ -97,7 +97,7 @@ class Grass < Formula
     end
 
     system "./configure", "--prefix=#{prefix}", *args
-    system "make" # make and make install must be seperate steps.
+    system "make" # make and make install must be separate steps.
     system "make install"
   end
 
diff --git a/Library/Formula/libdv.rb b/Library/Formula/libdv.rb
index c6ddf8d9e..972ae6a07 100644
--- a/Library/Formula/libdv.rb
+++ b/Library/Formula/libdv.rb
@@ -10,7 +10,7 @@ class Libdv < Formula
   def install
     # This fixes an undefined symbol error on compile.
     # See the port file for libdv. http://libdv.darwinports.com/
-    # This flag is the prefered method over what macports uses.
+    # This flag is the preferred method over what macports uses.
     # See the apple docs: http://cl.ly/2HeF bottom of the "Finding Imported Symbols" section
     ENV.append "LDFLAGS", "-undefined dynamic_lookup"
 
diff --git a/Library/Formula/mupdf.rb b/Library/Formula/mupdf.rb
index dc06ba38e..04981736d 100644
--- a/Library/Formula/mupdf.rb
+++ b/Library/Formula/mupdf.rb
@@ -10,7 +10,7 @@ class Mupdf < Formula
   depends_on 'jbig2dec'
 
   def patches
-    # Fix up the Makefile so it doesnt mess with our CFLAGS.
+    # Fix up the Makefile so it doesn't mess with our CFLAGS.
     DATA
   end
 
diff --git a/Library/Formula/nmap.rb b/Library/Formula/nmap.rb
index be05b1eed..9e6155a1f 100644
--- a/Library/Formula/nmap.rb
+++ b/Library/Formula/nmap.rb
@@ -22,7 +22,7 @@ class Nmap < Formula
     end
 
     system "./configure", *args
-    system "make" # seperate steps required otherwise the build fails
+    system "make" # separate steps required otherwise the build fails
     system "make install"
   end
 end
diff --git a/Library/Formula/pdflib-lite.rb b/Library/Formula/pdflib-lite.rb
index 145dd4591..db5bf9fd5 100644
--- a/Library/Formula/pdflib-lite.rb
+++ b/Library/Formula/pdflib-lite.rb
@@ -6,7 +6,7 @@ class PdflibLite < Formula
   md5 '34a1cc89e2cfdc1e43ba57019e442a90'
 
   def install
-    # Without the following substituion, pdflib-lite runs into weird
+    # Without the following substitution, pdflib-lite runs into weird
     # build errors due to bad interactions with the TIFF headers.
     # This workaround comes from the MacPorts.org portfile for pdflib.
     ENV['CPPFLAGS'] = "-isystem#{prefix}"
diff --git a/Library/Formula/portmidi.rb b/Library/Formula/portmidi.rb
index ab8a8b4e9..4ce9764af 100644
--- a/Library/Formula/portmidi.rb
+++ b/Library/Formula/portmidi.rb
@@ -16,7 +16,7 @@ class Portmidi < Formula
 
   def install
     # PATCH for Snow Leopard, see https://github.com/halfbyte/portmidi
-    # hopefully not needed anymymore in the next version of portmidi
+    # hopefully not needed anymore in the next version of portmidi
     architectures = archs_for_command('/bin/sh').join(' ')
     inreplace 'CMakeLists.txt',
       'CMAKE_OSX_ARCHITECTURES i386 ppc CACHE STRING "do not build for 64-bit"',
diff --git a/Library/Formula/postgresql.rb b/Library/Formula/postgresql.rb
index 66b5e2538..002cf7d99 100644
--- a/Library/Formula/postgresql.rb
+++ b/Library/Formula/postgresql.rb
@@ -79,7 +79,7 @@ class Postgresql < Formula
         shown above, or move it out of the way before brewing PostgreSQL.
 
         Note that a framework Python in /Library/Frameworks/Python.framework is
-        the "MacPython" verison, and not the system-provided version which is in:
+        the "MacPython" version, and not the system-provided version which is in:
           /System/Library/Frameworks/Python.framework
       EOS
     end
diff --git a/Library/Formula/subversion.rb b/Library/Formula/subversion.rb
index 23efc6216..706b19bfd 100644
--- a/Library/Formula/subversion.rb
+++ b/Library/Formula/subversion.rb
@@ -129,7 +129,7 @@ class Subversion < Formula
         arches = "-arch x86_64"
       end
 
-      # Use verison-appropriate system Perl
+      # Use version-appropriate system Perl
      if MacOS.leopard?
         perl_version = "5.8.8"
       else
diff --git a/Library/Formula/suite-sparse.rb b/Library/Formula/suite-sparse.rb
index 09df430be..bd868cb6b 100644
--- a/Library/Formula/suite-sparse.rb
+++ b/Library/Formula/suite-sparse.rb
@@ -14,7 +14,7 @@ class SuiteSparse < Formula
 
     # So, SuiteSparse was written by a scientific researcher.  This
     # tends to result in makefile-based build systems that are completely
-    # ignorant of the existance of things such as CPPFLAGS and LDFLAGS.
+    # ignorant of the existence of things such as CPPFLAGS and LDFLAGS.
     # SuiteSparse Does The Right Thing™ when homebrew is in /usr/local
     # but if it is not, we have to piggyback some stuff in on CFLAGS.
     unless HOMEBREW_PREFIX.to_s == '/usr/local'
diff --git a/Library/Formula/wkhtmltopdf.rb b/Library/Formula/wkhtmltopdf.rb
index cdc3f073e..c3858e8a4 100644
--- a/Library/Formula/wkhtmltopdf.rb
+++ b/Library/Formula/wkhtmltopdf.rb
@@ -14,7 +14,7 @@ class Wkhtmltopdf < Formula
       s.gsub! 'include($$join(TEMP, "/"))', ''
     end
 
-    # Always creates a uselles .app doh,
+    # Always creates a useless .app doh,
     # AFAIK this is fixed in 0.10.0beta
     wkhtml_bin = 'wkhtmltopdf.app/Contents/MacOS/wkhtmltopdf'
     wkhtml_man = "#{name}.1"
diff --git a/Library/Formula/zookeeper.rb b/Library/Formula/zookeeper.rb
index 7fa122a69..3be9e9328 100644
--- a/Library/Formula/zookeeper.rb
+++ b/Library/Formula/zookeeper.rb
@@ -88,7 +88,7 @@ class Zookeeper < Formula
       libexec.install Dir['*.jar']
     end
 
-    # Create neccessary directories
+    # Create necessary directories
     bin.mkpath
     (etc+'zookeeper').mkpath
     (var+'log/zookeeper').mkpath