Simply error code.

doc/src/engine/custom-syntax.md

@@ -200,8 +200,10 @@ fn implementation_func(
 
         // Evaluate the condition expression
         let stop = !engine.eval_expression_tree(context, scope, condition)?
-                          .as_bool().map_err(|_| EvalAltResult::ErrorBooleanArgMismatch(
-                                                    "do-while".into(), expr.position()))?;
+                          .as_bool()
+                          .map_err(|_| EvalAltResult::ErrorBooleanArgMismatch(
+                              "do-while".into(), expr.position()
+                           ))?;
 
         if stop {
             break;

doc/src/rust/modules/imp-resolver.md

@@ -38,7 +38,7 @@ impl ModuleResolver for MyModuleResolver {
             let module: Module = load_secret_module(path);
             Ok(module)
         } else {
-            Err(Box::new(EvalAltResult::ErrorModuleNotFound(path.into(), pos)))
+            Err(EvalAltResult::ErrorModuleNotFound(path.into(), pos).into())
         }
     }
 }