Merge pull request #297 from blange/patch-2

Update lambda-runtimes.md

Author: devlinbd2

doc_source/lambda-runtimes.md

@@ -12,7 +12,7 @@ When you use a \.zip file archive for the deployment package, you choose a runti
 + Image – Custom
 + Linux kernel – 4\.14\.165\-102\.205\.amzn2\.x86\_64
 
-When your function is invoked, Lambda attempts to re\-use the execution environment from a previous invocation if one is available\. This saves time preparing the execution environment, and it allows you to save resources such as database connections and temporary files in the [execution environment](runtimes-context.md) to avoid creating them every time your function runs\.
+When your function is invoked, Lambda attempts to re\-use the execution environment from a previous invocation if one is available\. When an [execution environment](runtimes-context.md) is reused, time is saved because your resources, such as database connections and temporary files, do not have to be recreated before your function runs\.
 
 A runtime can support a single version of a language, multiple versions of a language, or multiple languages\. Runtimes specific to a language or framework version are [deprecated](runtime-support-policy.md) when the version reaches end of life\.
 
@@ -99,4 +99,4 @@ To use other languages in Lambda, you can implement a [custom runtime](runtimes-
 + [Modifying the runtime environment](runtimes-modify.md)
 + [Custom AWS Lambda runtimes](runtimes-custom.md)
 + [Tutorial – Publishing a custom runtime](runtimes-walkthrough.md)
-+ [Using AVX2 vectorization in Lambda](runtimes-avx2.md)
++ [Using AVX2 vectorization in Lambda](runtimes-avx2.md)