diff --git a/.spelling b/.spelling
index 63694842c..6c187b190 100644
--- a/.spelling
+++ b/.spelling
@@ -475,5 +475,11 @@ current_time
 dml
 countif
 timestamp_add
+Modeling
  - src/datasets/bigquery/firefox_android_clients/reference.md
 first_session
+ - src/cookbooks/data_modeling/using_aggregates.md
+neccesary
+ - src/cookbooks/data_modeling/where_to_store.md
+modeling
+2019
diff --git a/src/cookbooks/data_modeling/index.md b/src/cookbooks/data_modeling/index.md
index 5cd5ec58e..7e8214217 100644
--- a/src/cookbooks/data_modeling/index.md
+++ b/src/cookbooks/data_modeling/index.md
@@ -2,4 +2,4 @@
 
 This section contains guidelines to consider when implementing new data models.
 
-It's also a collection of best practices related to different parts of the Data Modelling process, including the review of Pull Requests and techniques for performance improvements and cost reduction.
+It's also a collection of best practices related to different parts of the Data Modeling process, including the review of Pull Requests and techniques for performance improvements and cost reduction.