Fix small README's typo: cancallation

agonzalezro · web-flow · commit 40328a60f94d · 2017-12-09T20:09:52.000+01:00
diff --git a/README.md b/README.md
@@ -3,7 +3,7 @@
 Low-level GraphQL client for Go.
 
 * Simple, familiar API
-* Respects `context.Context` timeouts and cancallation
+* Respects `context.Context` timeouts and cancellation
 * Build and execute any kind of GraphQL request
 * Use strong Go types for response data
 * Use variables and upload files
