README.md: cosmetic: fix a typo

Change-Id: I07bea7a7eedb70edb8dd124a3a6167eb35344b81
diff --git a/README.md b/README.md
index df1cb5f..9261ccc 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@
 Our coding standards are described at
 <https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards>
 
-We us a gerrit based patch submission/review process for managing
+We use a Gerrit based patch submission/review process for managing
 contributions.  Please see
 <https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit> for
 more details