Minor fixes to the training material

Signed-off-by: Marcel Ribeiro-Dantas <[email protected]>

docs/advanced/metadata.md

@@ -129,7 +129,7 @@ map { id, reads ->
 
     To quickly sanity-check a groovy expression, try the [Groovy web console](https://groovyconsole.appspot.com/)
 
-We are almost there, but the we still don't have the "treatment" metadata captured in our meta map. The treament is encoded in this example in the name of the parent directory relative to the reads. Inside the map object, the reads are a list of two UnixPath objects. These objects implement the [`java.nio.Path`](https://docs.oracle.com/javase/7/docs/api/java/nio/file/Path.html) interface, which provides us many useful methods, including `getParent()`.
+We are almost there, but we still don't have the "treatment" metadata captured in our meta map. The treament is encoded in this example in the name of the parent directory relative to the reads. Inside the map object, the reads are a list of two UnixPath objects. These objects implement the [`java.nio.Path`](https://docs.oracle.com/javase/7/docs/api/java/nio/file/Path.html) interface, which provides us many useful methods, including `getParent()`.
 
 We can call the `getParent()` method on each of the paths like so:
 
@@ -202,4 +202,4 @@ process ExampleProcess {
     // ...
 ```
 
-This channel "shape" or cardinarlity is extremely common in nf-core modules and subworkflows and is critical to enabling reusability of these modules.
+This channel "shape" or cardinality is extremely common in nf-core modules and subworkflows and is critical to enabling reusability of these modules.

docs/basic_training/seqera_platform.md

@@ -102,7 +102,7 @@ It supports the launching of workflows into a growing number of **cloud** and **
 
 ![Compute environments](img/compute_env_platforms.png)
 
-Each compute environment must be pre-configured to enable Seqera Platofrm to submit tasks. You can read more on how to set up each environment using the links below.
+Each compute environment must be pre-configured to enable Seqera Platform to submit tasks. You can read more on how to set up each environment using the links below.
 
 !!! tip "The following guides describe how to configure each of these compute environments."