docs: end sentences with a period in markdown (#7813)

1 files changed, 3 insertions, 3 deletions

diff --git a/std/async/README.md b/std/async/README.md
index ac7938e18..59c1a8aa7 100644
--- a/std/async/README.md
+++ b/std/async/README.md
@@ -4,11 +4,11 @@ async is a module to provide help with aysncronous tasks.
 
 # usage
 
-The following functions and class are exposed in `mod.ts`
+The following functions and class are exposed in `mod.ts`:
 
 ## deferred
 
-Creates a Promise with the `reject` and `resolve` functions.
+Create a Promise with the `reject` and `resolve` functions.
 
 ```typescript
 import { deferred } from "https://deno.land/std/async/mod.ts";
@@ -20,7 +20,7 @@ p.resolve(42);
 
 ## delay
 
-Resolve a Promise after a given amount of milliseconds
+Resolve a Promise after a given amount of milliseconds.
 
 ```typescript
 import { delay } from "https://deno.land/std/async/mod.ts";