Polymer2.md: fix a typo
Polymner -> Polymer
Change-Id: Ic90edffb298dddc17230c27c05dad6a3189f03f8
diff --git a/polygerrit-ui/Polymer2.md b/polygerrit-ui/Polymer2.md
index 78112de..96bf779 100644
--- a/polygerrit-ui/Polymer2.md
+++ b/polygerrit-ui/Polymer2.md
@@ -12,4 +12,4 @@
### Related resources
- [Polymer 2.0 upgrade guide](https://polymer-library.polymer-project.org/2.0/docs/upgrade)
-- [Polymner Shadow DOM](https://polymer-library.polymer-project.org/2.0/docs/devguide/shadow-dom)
\ No newline at end of file
+- [Polymer Shadow DOM](https://polymer-library.polymer-project.org/2.0/docs/devguide/shadow-dom)