Fixing ambigous typos

Author: yarikoptic

CHANGELOG.md

@@ -83,7 +83,7 @@
 - Fixed - `schema.list_tables()` is not topologically sorted (#838) PR #893
 - Fixed - Diagram part tables do not show proper class name (#882) PR #893
 - Fixed - Error in complex restrictions (#892) PR #893
-- Fixed - WHERE and GROUP BY clases are dropped on joins with aggregation (#898, #899) PR #893
+- Fixed - WHERE and GROUP BY classes are dropped on joins with aggregation (#898, #899) PR #893
 
 ### 0.13.0 -- Mar 24, 2021
 - Re-implement query transpilation into SQL, fixing issues (#386, #449, #450, #484, #558). PR #754

docs/src/design/diagrams.md

@@ -2,7 +2,7 @@
 
 Diagrams are a great way to visualize all or part of a pipeline and understand the flow
 of data. DataJoint diagrams are based on **entity relationship diagram** (ERD), with
-some minor departures fom this standard. 
+some minor departures from this standard. 
 
 Here, tables are depicted as nodes and [dependencies](./tables/dependencies) as directed edges
 between them. The `draw` method plots the graph, with many other methods ([Python](https://datajoint.com/docs/core/datajoint-python/latest/api/datajoint/diagram/)) to