Fix typos in Transformations / Pivot and Time Series

pola-rs · Jun 22, 2023 · f806f74 · f806f74
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diff --git a/docs/user-guide/transformations/pivot.md b/docs/user-guide/transformations/pivot.md
@@ -34,7 +34,7 @@ aggregation.
 
 ## Lazy
 
-A polars `LazyFrame` always need to no the schema of a computation statically (before collecting the query).
+A polars `LazyFrame` always need to know the schema of a computation statically (before collecting the query).
 As a pivot's output schema depends on the data, and it is therefore impossible to determine the schema without
 running the query.
 

diff --git a/docs/user-guide/transformations/time-series/rolling.md b/docs/user-guide/transformations/time-series/rolling.md
@@ -121,7 +121,7 @@ The rolling groupby, `groupby_rolling`, is another entrance to the `groupby` con
 not fixed by a parameter `every` and `period`. In a rolling groupby the windows are not fixed at all! They are determined
 by the values in the `index_column`.
 
-So imagine having a time column with the values `{2021-01-06, 20210-01-10}` and a `period="5d"` this would create the following
+So imagine having a time column with the values `{2021-01-06, 2021-01-10}` and a `period="5d"` this would create the following
 windows:
 
 ```text