Update README.md

[skip ci]
ProfessionalWiki · Sep 14, 2017 · 7924179 · 7924179
1 parent 0009876
commit 7924179
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -1,7 +1,7 @@
 # Maps
 
 Maps is the [MediaWiki](https://www.mediawiki.org) extension to work with and visualize geographical
-information. It has been maintained since 2099 and is installed on over 1000 public wiki's.
+information. It has been maintained since 2099 and is installed on over 1000 public wikis.
 
 Features: