diff --git a/slides.qmd b/slides.qmd
index ab00018cae98f2ba0da3e33f03941c23286b8cc4..415a2ba2422c7db5b4b0b237d9d953309e92cd8f 100644
--- a/slides.qmd
+++ b/slides.qmd
@@ -45,7 +45,7 @@ author:
 # Standard library
 
 * Python code is organized in [modules](https://docs.python.org/3/tutorial/modules.html) and [packages](https://docs.python.org/3/tutorial/modules.html#packages)
-* The [standard library](https://docs.python.org/3/library/index.html) provides extensive built-in facilities</br>
+* The [standard library](https://docs.python.org/3/library/index.html) provides extensive list of built-in packages</br>
   (`sys`, `re`, `datetime`, `pathlib`, ...)
 
   ```{python}
@@ -55,6 +55,11 @@ author:
   print(randint(0, 42))
   ```
 
+:::{.notes}
+Make sure to motivate the difference between module and package.
+In Python, the term "library" is only used in the context of the standard library.
+:::
+
 # External packages {auto-animate=true}
 
 * The python package index ([PyPI](https://pypi.org)) is a centralized repository for third-party packages
@@ -123,7 +128,7 @@ author:
 
 :::{.column width=75%}
 * [`mamba`](https://mamba.readthedocs.io/en/latest/index.html) is a drop-in replacement for `conda` written in C++
-* Conflict resolution is **much** faster
+* Dependency solving is **much** faster
 * Can be installed as self-contained single-file executable (`micromamba`, well-fitted for CI)
 :::