docs(supplemental-docs): typo fixes (#7590)

Author: siddsriv

supplemental-docs/performance/dynamic-imports.md

@@ -64,6 +64,6 @@ $ node cache-v3.js
 { noOfFilesInCache: 8, bytesInCache: 26127 }
 ```
 
-In the above code samples, we compare the number of files and bytes loaded in cache when importing equivalent credential providers. In v2, there are 53 files loaded in cache with total size of 398 kB. While in v3, there are only 9 files loaded in cache, which total size of 26 kB.
+In the above code samples, we compare the number of files and bytes loaded in cache when importing equivalent credential providers. In v2, there are 53 files loaded in cache with total size of 398 kB. While in v3, there are only 8 files loaded in cache, which total size of 26 kB.
 
 If you’re bundling your application, the Dynamic imports are not supported by default in some old versions of bundlers. For example, if your setup is using `@babel/core@<7.8.0`, you need to explicitly add `@babel/plugin-syntax-dynamic-import` plugin to transform the code.

supplemental-docs/performance/publish-and-install-sizes.md

@@ -35,7 +35,7 @@ $ du -sh node_modules
 17M    node_modules
 ```
 
-The install size on disk is larger, as it’s the actual size on disk which depends on blocks are allocated. It may be different on your machine, but the relative difference between the sizes would be similar.
+The install size on disk is larger, as it’s the actual size on disk which depends on how blocks are allocated. It may be different on your machine, but the relative difference between the sizes would be similar.
 
 Most of AWS SDK for JavaScript applications use one to three clients. Even if you install the five most popular clients, the install size is less than a third of that in v2.