Improve Docs Readability

Signed-off-by: Ryan Russell <git@ryanrussell.org>

CONTRIBUTING.md

@@ -82,7 +82,7 @@ You can run these tests individually using a command such as
 cargo test -p datafusion --tests sql_integration
 ```
 
-One very important test is the [sql_integraton](https://github.com/apache/arrow-datafusion/blob/master/datafusion/tests/sql_integration.rs) test which validates DataFusion's ability to run a large assortment of SQL queries against an assortment of data setsups.
+One very important test is the [sql_integration](https://github.com/apache/arrow-datafusion/blob/master/datafusion/tests/sql_integration.rs) test which validates DataFusion's ability to run a large assortment of SQL queries against an assortment of data setups.
 
 ### SQL / Postgres Integration Tests
 

datafusion/CHANGELOG.md

@@ -351,7 +351,7 @@
 - Create new `datafusion_expr` crate [\#1753](https://github.com/apache/arrow-datafusion/issues/1753)
 - Create new `datafusion_common` crate [\#1752](https://github.com/apache/arrow-datafusion/issues/1752)
 - API to get Expr's type and nullability without a `DFSchema` [\#1725](https://github.com/apache/arrow-datafusion/issues/1725)
-- Cleaner API to create `Expr::ScalarFunction` programatically [\#1718](https://github.com/apache/arrow-datafusion/issues/1718)
+- Cleaner API to create `Expr::ScalarFunction` programmatically [\#1718](https://github.com/apache/arrow-datafusion/issues/1718)
 - Introduce a `Vec<u8>` based row-wise representation for DataFusion [\#1708](https://github.com/apache/arrow-datafusion/issues/1708)
 - Simplify creating new `ListingTable`  [\#1705](https://github.com/apache/arrow-datafusion/issues/1705)
 - Implement TableProvider for DataFrameImpl to allow registration of logical plans [\#1698](https://github.com/apache/arrow-datafusion/issues/1698)

docs/source/community/communication.md

@@ -31,7 +31,7 @@ conduct](https://www.apache.org/foundation/policies/conduct.html).
 ### Mailing list
 
 We use arrow.apache.org's `dev@` mailing list for project management, release
-coorindation and design discussions
+coordination and design discussions
 ([subscribe](mailto:dev-subscribe@arrow.apache.org),
 [unsubscribe](mailto:dev-unsubscribe@arrow.apache.org),
 [archives](https://lists.apache.org/list.html?dev@arrow.apache.org)).

docs/source/specification/invariants.md

@@ -315,7 +315,7 @@ optimize(physical_plan).schema === physical_plan.schema
 ```
 
 This is used to ensure that plans can be optimized without jeopardizing future
-referencs of logical columns (name and index) or assumptions about their
+references of logical columns (name and index) or assumptions about their
 schemas.
 
 #### Responsibility

docs/source/specification/roadmap.md

@@ -30,7 +30,7 @@ Arrow](https://arrow.apache.org/) project and governed by the Apache
 Software Foundation governance model. These projects are entirely
 driven by volunteers, and we welcome contributions for items not on
 this roadmap. However, before submitting a large PR, we strongly
-suggest you start a coversation using a github issue or the
+suggest you start a conversation using a github issue or the
 dev@arrow.apache.org mailing list to make review efficient and avoid
 surprises.
 
@@ -44,8 +44,8 @@ to provide:
 1. Best-in-class single node query performance
 2. A Declarative SQL query interface compatible with PostgreSQL
 3. A Dataframe API, similar to those offered by Pandas and Spark
-4. A Procedural API for programatically creating and running execution plans
-5. High performance, data race free, erogonomic extensibility points at at every layer
+4. A Procedural API for programmatically creating and running execution plans
+5. High performance, data race free, ergonomic extensibility points at at every layer
 
 ## Additional SQL Language Features
 

docs/source/user-guide/sql/sql_status.md

@@ -140,7 +140,7 @@ DataFusion is designed to be extensible at all points. To that end, you can prov
 - [x] User Defined `LogicalPlan` nodes
 - [x] User Defined `ExecutionPlan` nodes
 
-## Rust Version Compatbility
+## Rust Version Compatibility
 
 This crate is tested with the latest stable version of Rust. We do not currently test against other, older versions of the Rust compiler.