POM: adjust URL

Author: ctrueden

pom.xml

@@ -14,7 +14,7 @@
 
 	<name>SciJava Plugins: Text: Plain</name>
 	<description>Core text format plugin for plain text.</description>
-	<url>https://imagej.net/SciJava Plugins: Text: Plain</url>
+	<url>https://github.com/scijava/scijava-plugins-text-plain</url>
 	<inceptionYear>2010</inceptionYear>
 	<organization>
 		<name>SciJava</name>