fix typos

Author: ablaom

docs/src/anatomy_of_an_implementation.md

@@ -401,7 +401,7 @@ LearnAPI.target(::Ridge, observations::RidgeFitObs) = observations.y
 ### The `obs` contract
 
 Providing `fit` signatures matching the output of `obs`, is the first part of the `obs`
-contract. The second part is this: *The outupt of `obs` must implement the*
+contract. The second part is this: *The output of `obs` must implement the*
 [MLUtils.jl](https://juliaml.github.io/MLUtils.jl/dev/) `getobs/numobs` *interface for
 accessing individual observations*. It usually suffices to overload `Base.getindex` and
 `Base.length` (which are the `getobs/numobs` fallbacks):

docs/src/obs.md

@@ -8,7 +8,7 @@ performance advantages over naive workflows in some cases (e.g., cross-validatio
 
 ```julia
 obs(algorithm, data) # can be passed to `fit` instead of `data`
-obs(model, data)     # can be passed to `predict` or `tranform` instead of `data`
+obs(model, data)     # can be passed to `predict` or `transform` instead of `data`
 ```
 
 ## Typical workflows

src/obs.jl

@@ -69,7 +69,7 @@ that case.
 
 ## Sample implementation
 
-Refer to the "Anatomy of an Implemetation" section of the LearnAPI
+Refer to the "Anatomy of an Implementation" section of the LearnAPI
 [manual](https://juliaai.github.io/LearnAPI.jl/dev/).