fixing typo

Author: MichaelMacaulay

website/pages/en/developing/creating-a-subgraph.mdx

@@ -626,7 +626,7 @@ This more elaborate way of storing many-to-many relationships will result in les
 
 #### Adding comments to the schema
 
-As per GraphQL spec, comments can be added above schema entity attributes using the hash symble `#`. This is illustrated in the example below:
+As per GraphQL spec, comments can be added above schema entity attributes using the hash symbol `#`. This is illustrated in the example below:
 
 ```graphql
 type MyFirstEntity @entity {