fix typo (#267)

* fix typo

* cargo fmt

crates/ecstore/src/store_api.rs

@@ -276,7 +276,10 @@ impl HTTPRangeSpec {
             return Ok(range_length);
         }
 
-        Err(Error::other("range value invalid"))
+        Err(Error::other(format!(
+            "range value invalid: start={}, end={}, expected start <= end and end >= -1",
+            self.start, self.end
+        )))
     }
 }
 

crates/iam/src/manager.rs

@@ -814,7 +814,7 @@ where
             let mp = MappedPolicy::new(policy);
             let (_, combined_policy_stmt) = filter_policies(&self.cache, &mp.policies, "temp");
             if combined_policy_stmt.is_empty() {
-                return Err(Error::other(format!("need policy not found {}", IamError::NoSuchPolicy)));
+                return Err(Error::other(format!("Required policy not found: {}", IamError::NoSuchPolicy)));
             }
 
             self.api