diff --git a/science-of-cleaning.tex b/science-of-cleaning.tex
index 9068a6c..87d484c 100644
--- a/science-of-cleaning.tex
+++ b/science-of-cleaning.tex
@@ -31,6 +31,7 @@
 % \usepackage{fancyvrb} % Use line numbers with code samples
 % \usepackage{fvextra} % Break lines inside Verbatim environment:
 \usepackage{enumitem} % Control spacing in lists
+\setlist[enumerate]{itemsep=-2pt, topsep=5pt}
 % \usepackage{setspace} % Better control over line-spacing
 % \usepackage{nicefrac} % Use nice fractions
 \usepackage[bottom]{footmisc} % Keep the footnotes at the bottom of the page
@@ -271,7 +272,7 @@ pH is a rather vague concept for a lot of people, and the internet contains a lo
 
 pH is a measure of how acidic or alkaline (i.e., basic) a substance is. There is a lot of chemistry and math involved in pH, so let's start with some basic facts before getting into the chemistry and math. 
 
-\begin{enumerate}[noitemsep]
+\begin{enumerate}
 \item The pH scale goes in two directions: from 7 down to zero, and from 7 up to fourteen.
 \item Substances with a pH of 7 are neutral—they are neither acidic nor basic. (They are also very rare.)
 \item Substances with a pH less than 7 are acidic.