✏ suggestions from code-review

Co-authored-by: ageorgou <[email protected]>

Author: dpshelio

.gitignore

@@ -10,7 +10,6 @@ html/index.html
 pdf
 *.pyc
 *.nbconvert.ipynb
-*.html
 *.swp
 a.out
 html/reveal/.DS_Store

ch04packaging/04documentation.ipynb

@@ -74,7 +74,7 @@
     "| Fortan   | [FORD](https://github.com/Fortran-FOSS-Programmers/ford)                            | [`arange` docs](https://stdlib.fortran-lang.org/interface/arange.html)              | [`arange` docstring source](https://github.com/fortran-lang/stdlib/blob/d14fca8e7cc36ed5f6f84d2bf576c91c2e54eb07/src/stdlib_math.fypp#L276-L290) |\n",
     "| Rust     | [rustdoc](https://doc.rust-lang.org/rustdoc/what-is-rustdoc.html)                   | [`Matrix` docs](https://docs.rs/nalgebra/0.18.0/nalgebra/base/struct.Matrix.html)   | [`Matrix` docstring source](https://github.com/dimforge/nalgebra/blob/8ea8ac70d5ad4bae865e6246a48455bf0b3fa3d2/src/base/matrix.rs#L59-L157)      |\n",
     "\n",
-    "[Breathe](https://breathe.readthedocs.io/en/latest/) can be used to make Sphinx and Doxygen work together (good to keep documentation, for example, of a c++ project that includes python bindings). [roxygen2](https://cran.r-project.org/web/packages/roxygen2/vignettes/roxygen2.html) is another good option for R packages.\n",
+    "[Breathe](https://breathe.readthedocs.io/en/latest/) can be used to make Sphinx and Doxygen work together (good to keep documentation, for example, of a C++ project that includes Python bindings). [roxygen2](https://cran.r-project.org/web/packages/roxygen2/vignettes/roxygen2.html) is another good option for R packages.\n",
     "\n",
     "\n"
    ]
@@ -446,7 +446,7 @@
    "source": [
     "`doctest` is a module included in the standard library. It runs all the code within the docstrings and checks whether the output is what it's claimed on the documentation.\n",
     "\n",
-    "Let's add an example to our greeting function and check it with `doctest`. We are leaving the output with a small typo (missing the close quote `'`) to see what's the type of output we get from `doctest`."
+    "Let's add an example to our greeting function and check it with `doctest`. We are leaving the output with a small typo (missing the closing quote `'`) to see what's the type of output we get from `doctest`."
    ]
   },
   {