Update 2018-06-27-supporting-jest-open-source.md (#14466)

Author: slorber

website/blog/2018-06-27-supporting-jest-open-source.md

@@ -45,7 +45,7 @@ There are two levels of support for the collective: Backer and Sponsor.
 
 #### Backers
 
-Backers of the collective are individuals contributing at least \$2/month. We'll include a list of backers on the Jest homepage, README on github/yarn/npm, and Contributors page.
+Backers of the collective are individuals contributing at least $2/month. We'll include a list of backers on the Jest homepage, README on github/yarn/npm, and Contributors page.
 
 #### Sponsors