path: fix comment grammar

PR-URL: #32942
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gus Caplan <me@gus.host>

lib/path.js

@@ -385,14 +385,14 @@ const win32 = {
       return '.';
 
     // Make sure that the joined path doesn't start with two slashes, because
-    // normalize() will mistake it for an UNC path then.
+    // normalize() will mistake it for a UNC path then.
     //
     // This step is skipped when it is very clear that the user actually
-    // intended to point at an UNC path. This is assumed when the first
+    // intended to point at a UNC path. This is assumed when the first
     // non-empty string arguments starts with exactly two slashes followed by
     // at least one more non-slash character.
     //
-    // Note that for normalize() to treat a path as an UNC path it needs to
+    // Note that for normalize() to treat a path as a UNC path it needs to
     // have at least 2 components, so we don't filter for that here.
     // This means that the user can use join to construct UNC paths from
     // a server name and a share name; for example: