_config.yml: Standardize description

_config.yml

@@ -15,7 +15,7 @@
 # in the templates via {{ site.myvariable }}.
 title: CSE 373
 tagline: Data Structures and Algorithms
-description: Design, analysis, and critique of canonical algorithms.
+description: Design, analysis, and critique of data structures and algorithms.
 author: Kevin Lin
 baseurl: '/courses/cse373/21su' # the subpath of your site, e.g. /blog
 url: 'https://courses.cs.washington.edu' # the base hostname & protocol for your site, e.g. http://example.com