page-developers-index.json add missing dot

Author: woseK

src/intl/en/page-developers-index.json

@@ -44,7 +44,7 @@
   "page-developers-language-desc": "Using Ethereum with familiar languages",
   "page-developers-languages": "Programming languages",
   "page-developers-learn": "Learn Ethereum development",
-  "page-developers-learn-desc": "Read up on core concepts and the Ethereum stack with our docs",
+  "page-developers-learn-desc": "Read up on core concepts and the Ethereum stack with our docs.",
   "page-developers-learn-tutorials": "Learn through tutorials",
   "page-developers-learn-tutorials-cta": "View tutorials",
   "page-developers-learn-tutorials-desc": "Learn Ethereum development step-by-step from builders who have already done it.",