Update README.md

Author: OpenDEM

README.md

@@ -1,5 +1,5 @@
 # WikiMediaExtension3D_Test_GLB_Formt
-Test Viewer for the integration of GLB files for the MediaWiki 3D Extension: https://www.mediawiki.org/wiki/Extension:3D
+Test Viewer for the integration of GLB files in the MediaWiki 3D Extension: https://www.mediawiki.org/wiki/Extension:3D
 
 You could choose from diffent free STL and GLB models, or upload your own data.