diff --git a/src/lib.rs b/src/lib.rs
index 566e678..d4ce679 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -109,7 +109,6 @@ type StorageKey = Bytes32;
 type StorageValue = Bytes32;
 type Topic = Bytes32;
 type Hash = Bytes32;
-// TODO: is this a number of a bytestring?
 type Difficulty = Bytes32;
 
 /// Enum representing an error code for EEI calls. Currently used by `codeCopy`, `callDataCopy`,
@@ -411,19 +410,19 @@ pub fn call_static(gas_limit: u64, address: &Address, data: &[u8]) -> CallResult
 
 /// Creates a contract with the the given code, sending the specified ether value to its address.
 pub fn create(value: &EtherValue, data: &[u8]) -> CreateResult {
-    let mut result: Address = Address::default();
+    let mut address: Address = Address::default();
 
     let ret = unsafe {
         native::ethereum_create(
             value.bytes.as_ptr() as *const u32,
             data.as_ptr() as *const u32,
             data.len() as u32,
-            result.bytes.as_mut_ptr() as *const u32,
+            address.bytes.as_mut_ptr() as *const u32,
         )
     };
 
     match ret {
-        0 => CreateResult::Successful(result),
+        0 => CreateResult::Successful(address),
         1 => CreateResult::Failure,
         2 => CreateResult::Revert,
         _ => panic!(),
@@ -619,7 +618,7 @@ pub fn storage_load(key: &StorageKey) -> StorageValue {
 
     unsafe {
         native::ethereum_storageLoad(
-            key.bytes.as_ptr() as *const u32,
+            key.bytes.as_mut_ptr() as *const u32,
             ret.bytes.as_mut_ptr() as *const u32,
         );
     }