Fix failing tests

Author: staadecker

docs/contribute/index.md

@@ -39,6 +39,9 @@ Pyoframe has several types of tests.
 
 4. Documentation tests (in `docs/`). All Python code blocks in the documentation are run to ensure the documentation doesn't become outdated. This is done using Sybil. Refer to the [Sybil documentation](https://sybil.readthedocs.io/en/latest/markdown.html#code-blocks) to learn how to create setup code or skip code blocks you don't wish to test.
 
+!!! warning "Non-breaking spaces"
+    Be aware that 
+
 ## Writing documentation
 
 You can preview the documentation website by running `mkdocs serve` and navigating to [`http://127.0.0.1:8000/pyoframe/`](http://127.0.0.1:8000/pyoframe/).

docs/learn/get-started/basics.md

@@ -267,11 +267,11 @@ And the resulting `m.pay` Expression correctly incorporates the holiday bonus on
 │ day ┆ expression           │
 │ (5) ┆                      │
 ╞═════╪══════════════════════╡
-│ Mon ┆ 20 Hours_Worked[Mon] │
-│ Tue ┆ 20 Hours_Worked[Tue] │
-│ Wed ┆ 20 Hours_Worked[Wed] │
-│ Thu ┆ 20 Hours_Worked[Thu] │
-│ Fri ┆ 30 Hours_Worked[Fri] │
+│ Mon ┆ 20 Hours_Worked[Mon] │
+│ Tue ┆ 20 Hours_Worked[Tue] │
+│ Wed ┆ 20 Hours_Worked[Wed] │
+│ Thu ┆ 20 Hours_Worked[Thu] │
+│ Fri ┆ 30 Hours_Worked[Fri] │
 └─────┴──────────────────────┘
 
 ```
@@ -290,7 +290,7 @@ Note that often, you can skip defining parameters because whenever a Pyoframe ob
 │ Tue ┆ 0                    │
 │ Wed ┆ 0                    │
 │ Thu ┆ 0                    │
-│ Fri ┆ 10 Hours_Worked[Fri] │
+│ Fri ┆ 10 Hours_Worked[Fri] │
 └─────┴──────────────────────┘
 
 ```