diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7895775..136f8f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -62,8 +62,8 @@ project adheres to [Semantic Versioning][semver].
 
 ## v0.10.3
 
-- fixed: Handle unique cosntraint error formats.
-- changed: Updated depenendencies.
+- fixed: Handle unique constraint error formats.
+- changed: Updated dependencies.
 
 ## v0.10.2
 
@@ -130,7 +130,7 @@ project adheres to [Semantic Versioning][semver].
 - added: `:time` decode support.
 
 ## v0.7.1
-- fixed: Backport of default drops to `:restrict` are now backwards compatible with older versions of `ecto_sql`. We don't really have support for `drop index ... cascade` as it is not in the grammer of sqlite.
+- fixed: Backport of default drops to `:restrict` are now backwards compatible with older versions of `ecto_sql`. We don't really have support for `drop index ... cascade` as it is not in the grammar of sqlite.
 
 ## v0.7.0
 - changed: update dependencies to the latest.
diff --git a/README.md b/README.md
index 51c7855..ec687f7 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,7 @@ Running unit tests
 mix test
 ```
 
-Runing integration tests
+Running integration tests
 
 ```sh
 EXQLITE_INTEGRATION=true mix test
diff --git a/integration_test/test_helper.exs b/integration_test/test_helper.exs
index ebe16d3..1805346 100644
--- a/integration_test/test_helper.exs
+++ b/integration_test/test_helper.exs
@@ -81,7 +81,7 @@ excludes = [
 
   # SQLite will return a string for schemaless map types as
   # Ecto does not have enough information to call the associated loader
-  # that converts the string JSON representaiton into a map
+  # that converts the string JSON representation into a map
   :map_type_schemaless,
 
   # right now in lock_for_migrations() we do effectively nothing, this is because
diff --git a/lib/ecto/adapters/sqlite3.ex b/lib/ecto/adapters/sqlite3.ex
index 75da941..6e63bba 100644
--- a/lib/ecto/adapters/sqlite3.ex
+++ b/lib/ecto/adapters/sqlite3.ex
@@ -124,7 +124,7 @@ defmodule Ecto.Adapters.SQLite3 do
 
   ### Case sensitivity
 
-  Case sensitivty for `LIKE` is off by default, and controlled by the `:case_sensitive_like`
+  Case sensitivity for `LIKE` is off by default, and controlled by the `:case_sensitive_like`
   option outlined above.
 
   However, for equality comparison, case sensitivity is always _on_.
diff --git a/test/ecto/adapters/sqlite3/connection/interesect_test.exs b/test/ecto/adapters/sqlite3/connection/intersect_test.exs
similarity index 100%
rename from test/ecto/adapters/sqlite3/connection/interesect_test.exs
rename to test/ecto/adapters/sqlite3/connection/intersect_test.exs
diff --git a/test/ecto/adapters/sqlite3/connection/to_constraints_test.exs b/test/ecto/adapters/sqlite3/connection/to_constraints_test.exs
index 1428059..ae914d7 100644
--- a/test/ecto/adapters/sqlite3/connection/to_constraints_test.exs
+++ b/test/ecto/adapters/sqlite3/connection/to_constraints_test.exs
@@ -1,4 +1,4 @@
-defmodule Ecto.Adapters.SQLite3.Connection.ToCosntraintsTest do
+defmodule Ecto.Adapters.SQLite3.Connection.ToConstraintsTest do
   use ExUnit.Case, async: true
 
   alias Ecto.Adapters.SQLite3.Connection
diff --git a/test/ecto/adapters/sqlite3/connection/windowing_test.exs b/test/ecto/adapters/sqlite3/connection/windowing_test.exs
index 87e6e2e..af30b55 100644
--- a/test/ecto/adapters/sqlite3/connection/windowing_test.exs
+++ b/test/ecto/adapters/sqlite3/connection/windowing_test.exs
@@ -98,7 +98,7 @@ defmodule Ecto.Adapters.SQLite3.Connection.WindowingTest do
              ~s{ORDER BY s0."x")} == all(query)
   end
 
-  test "partition by ond order by over" do
+  test "partition by one order by over" do
     query =
       Schema
       |> select([r], count(r.x) |> over(partition_by: [r.x, r.z], order_by: r.x))