Update EIP-777: Small fix - add end tag (#7371)

* Update EIP-777: Small fix - add end tag

Pun intended

* Found another

EIPS/eip-777.md

@@ -356,7 +356,7 @@ Get the list of *default operators* as defined by the token contract.
 *NOTE*: If the token contract does not have any *default operators*, this function MUST return an empty list.
 
 > <small>**identifier:** `06e48538`</small>  
-> <small>**returns:** List of addresses of all the *default operators*.
+> <small>**returns:** List of addresses of all the *default operators*.</small>
 
 **`authorizeOperator` function**
 
@@ -409,7 +409,7 @@ Indicate whether the `operator` address is an *operator* of the `holder` address
 > <small>`operator`: Address which may be an *operator* of `holder`.</small>  
 > <small>`holder`: Address of a *holder* which may have the `operator` address as an *operator*.</small>
 >
-> <small>**returns:** `true` if `operator` is an *operator* of `holder` and `false` otherwise.
+> <small>**returns:** `true` if `operator` is an *operator* of `holder` and `false` otherwise.</small>
 
 *NOTE*: To know which addresses are *operators* for a given *holder*,
 one MUST call `isOperatorFor` with the *holder* for each *default operator*