docs(compiler): fix typos in partial compilation comments (angular#41080)

PR Close angular#41080

Author: petebacondarwin

packages/compiler-cli/linker/src/file_linker/partial_linkers/partial_ng_module_linker_1.ts

@@ -62,7 +62,7 @@ export function toR3NgModuleMeta<TExpression>(
   // The following blocks of code will unwrap the arrays from such functions, because
   // `R3NgModuleMetadata` expects arrays of `R3Reference` objects.
 
-  // Further, since the `ɵdefineNgModule()` will also suffer from the forward declaration problem,
+  // Further, since the `ɵɵdefineNgModule()` will also suffer from the forward declaration problem,
   // we must update the `containsForwardDecls` property if a function wrapper was found.
 
   if (metaObj.has('bootstrap')) {

packages/compiler/src/render3/partial/ng_module.ts

@@ -35,7 +35,7 @@ function createNgModuleDefinitionMap(meta: R3NgModuleMetadata):
 
   // We must wrap the arrays inside a function if any of the values are a forward reference to a
   // not-yet-declared class. This is to support JIT execution of the `ɵɵngDeclareNgModule()` call.
-  // In the linker these wrappers are stripped and then reapplied for the `ɵdefineNgModule()` call.
+  // In the linker these wrappers are stripped and then reapplied for the `ɵɵdefineNgModule()` call.
 
   if (meta.bootstrap.length > 0) {
     definitionMap.set('bootstrap', refsToArray(meta.bootstrap, meta.containsForwardDecls));