tweak punctuation and spelling

README.md

@@ -19,7 +19,7 @@ to have that in a central place, apart from any specific module installer
 To add a new module to the ecosystem, add the URL of the module's raw META.info
 file to the META.list file here in the ecosystem. Since the updates to
 the ecosystem are announced in the #perl6 IRC channel, it is helpful
-if you include the HTTP URL to your repo in your commit message, so others
+if you include the HTTP URL to your repo in your commit message so others
 could easily view your new module, e.g.:
 
     git commit -m 'Add FooBar to ecosystem' -m 'See https://github.com/foobar/FooBar'
@@ -39,22 +39,22 @@ Some of these issues commonly occur. Be sure to check your distro:
 * Check that your META file contains valid JSON. To do so, you can use an online service,
 such as [JSON Lint](http://jsonlint.com/).
 * Ensure you have a [`provides` section](http://design.perl6.org/S22.html#provides)
-that lists all the modules in your distriubtion, with correct filenames;
+that lists all the modules in your distribution, with correct filenames,
 otherwise your module will not be installable.
 
 There is a module [Test::META](https://github.com/jonathanstowe/Test-META) that can
-help you detect some, but not all, the common problems people have with the META files.
+help you detect some, but not all, of the common problems people have with the META files.
 
 # LEGAL
 
 The operation of the ecosystem requires that we copy, distribute, and possibly modify your META file (`META6.json`
 or legacy `META.info`) in full or in part, or that we display information from that file on various websites
 and other systems. We can't always guarantee proper attribution, that copies are accurate, or that modifications
-do not inadvertly produce unintended results.
+do not inadvertently produce unintended results.
 
 By submitting your module to the ecosystem, you agree that all entities involved in the operation of the ecosystem,
 including its testing, mirroring, or archiving, as well as any package installers and auxiliary tools,
 are allowed to copy, distribute, and modify your META file without limitation for the
-purposes of making your module available to the Perl 6 community—regardless of what license you choose for the
+purposes of making your module available to the Perl 6 community—-regardless of what license you choose for the
 rest of your distribution. You also agree not to hold these entities liable for any damage or inconvenience caused
 by the operation of the ecosystem or the failure to do so.