diff --git a/lib/MogileFS/Connection/Poolable.pm b/lib/MogileFS/Connection/Poolable.pm
index 16704ff5..c68e6663 100644
--- a/lib/MogileFS/Connection/Poolable.pm
+++ b/lib/MogileFS/Connection/Poolable.pm
@@ -115,7 +115,7 @@ sub expired {
     return 0;
 }
 
-# may be overriden in subclass, called only on errors
+# may be overridden in subclass, called only on errors
 # The HTTP version of this will fake an HTTP response for LWP compatibility
 sub err {
     my ($self, $close_reason) = @_;
diff --git a/lib/MogileFS/ProcManager.pm b/lib/MogileFS/ProcManager.pm
index 44f411ce..fb573f0f 100644
--- a/lib/MogileFS/ProcManager.pm
+++ b/lib/MogileFS/ProcManager.pm
@@ -33,7 +33,7 @@ my %pending_work = (); # 'job' -> [aref of pending work]
 $IsChild = 0;  # either false if we're the parent, or a MogileFS::Worker object
 
 # keep track of what all child pids are doing, and what jobs are being
-# satisifed.
+# satisfied.
 my %child  = ();    # pid -> MogileFS::Connection::Worker
 my %todie  = ();    # pid -> 1 (lists pids that we've asked to die)
 my %jobs   = ();    # jobname -> [ min, current ]
diff --git a/lib/MogileFS/Store.pm b/lib/MogileFS/Store.pm
index c6a7cf74..c12d732b 100644
--- a/lib/MogileFS/Store.pm
+++ b/lib/MogileFS/Store.pm
@@ -109,7 +109,7 @@ sub new_from_mogdbsetup {
 }
 
 # given a root DBI connection, create the named database.  succeed
-# if it it's made, or already exists.  die otherwise.
+# if it is made, or already exists.  die otherwise.
 sub create_db_if_not_exists {
     my ($pkg, $rdbh, $dbname) = @_;
     $rdbh->do("CREATE DATABASE IF NOT EXISTS $dbname")
@@ -622,7 +622,7 @@ sub TABLE_class {
 # and a class for derived images (scaled down versions, thumbnails, greyscale, etc)
 # each domain can setup classes and assign the minimum redundancy level for
 # each class.  fotobilder will use a 2 or 3 minimum copy redundancy for original
-# photos and and a 1 minimum for derived images (which means the sole device
+# photos and a 1 minimum for derived images (which means the sole device
 # for a derived image can die, bringing devcount to 0 for that file, but
 # the application can recreate it from its original)
 sub TABLE_file {
diff --git a/lib/MogileFS/Store/MySQL.pm b/lib/MogileFS/Store/MySQL.pm
index 32a5a8b5..5d4e7e8c 100644
--- a/lib/MogileFS/Store/MySQL.pm
+++ b/lib/MogileFS/Store/MySQL.pm
@@ -42,7 +42,7 @@ sub was_deadlock_error {
     my $dbh = $self->dbh;
     return 0 unless $dbh->err;
     # 1205 is "lock wait timeout", but we should bomb out if we've
-    # alerady hung for that long.
+    # already hung for that long.
     return 1 if ($dbh->err == 1213);
 }
 
diff --git a/lib/MogileFS/Store/Postgres.pm b/lib/MogileFS/Store/Postgres.pm
index b057b967..5fd6db4c 100644
--- a/lib/MogileFS/Store/Postgres.pm
+++ b/lib/MogileFS/Store/Postgres.pm
@@ -31,7 +31,7 @@ sub dsn_of_root {
 sub want_raise_errors { 1 }
 
 # given a root DBI connection, create the named database.  succeed
-# if it it's made, or already exists.  die otherwise.
+# if it is made, or already exists.  die otherwise.
 sub create_db_if_not_exists {
     my ($pkg, $rdbh, $dbname) = @_;
     if(not $rdbh->do("CREATE DATABASE $dbname TEMPLATE template0 ENCODING 'UTF-8'" )) {