doc: fix typo in zlib.md

lpinca · MylesBorins · commit b0fadbe54fd3 · 2017-10-26T00:21:32.000-04:00
PR-URL: #16480 Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com> Reviewed-By: Myles Borins <myles.borins@gmail.com>
diff --git a/doc/api/zlib.md b/doc/api/zlib.md
@@ -419,7 +419,7 @@ Returns a new [DeflateRaw][] object with an [options][].
 is set to 8 for raw deflate streams. zlib does not have a working implementation
 of an 8-bit Window for raw deflate streams and would automatically set windowBit
 to 9 if initially set to 8. Newer versions of zlib will throw an exception.
-This creates a potential DOS vector, and as such the behavior ahs been reverted
+This creates a potential DOS vector, and as such the behavior has been reverted
 in Node.js 8, 6, and 4. Node.js version 9 and higher will throw when windowBits
 is set to 8.
 
