diff --git a/aio/content/guide/rx-library.md b/aio/content/guide/rx-library.md
index 777ed625cb..22bc14bcf1 100644
--- a/aio/content/guide/rx-library.md
+++ b/aio/content/guide/rx-library.md
@@ -53,7 +53,7 @@ RxJS provides many operators, but only a handful are used frequently. For a list
 
 | Area | Operators |
 | :------------| :----------|
-| Creation |  `from`, `fromPromise`,`fromEvent`, `of` |
+| Creation |  `from`,`fromEvent`, `of` |
 | Combination | `combineLatest`, `concat`, `merge`, `startWith` , `withLatestFrom`, `zip` |
 | Filtering | `debounceTime`, `distinctUntilChanged`, `filter`, `take`, `takeUntil` |
 | Transformation | `bufferTime`, `concatMap`, `map`, `mergeMap`, `scan`, `switchMap` |
@@ -94,4 +94,4 @@ This can be useful when scanning through code and looking for observable values.
 
 For example:
 
-<code-example path="rx-library/src/naming-convention.ts" header="Naming observables"></code-example>
\ No newline at end of file
+<code-example path="rx-library/src/naming-convention.ts" header="Naming observables"></code-example>