Fix typos (#7050)
Uses https://en.wikipedia.org/wiki/Wikipedia:Lists_of_common_misspellings/For_machines to find likely typos, with https://github.com/bwignall/typochecker to help automate the checking.
diff --git a/CHANGES.txt b/CHANGES.txt
index 3b6da26..aa5048d 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -265,7 +265,7 @@
* Introduce Proto C API.
* FindFileContainingSymbol in descriptor pool is now able to find field and enum values.
* reflection.MakeClass() and reflection.ParseMessage() are deprecated.
- * Added DescriptorPool.FindMethodByName() method in pure python (c extension alreay has it)
+ * Added DescriptorPool.FindMethodByName() method in pure python (c extension already has it)
* Flipped proto3 to preserve unknown fields by default.
* Added support for memoryview in python3 proto message parsing.
* Added MergeFrom for repeated scalar fields in c extension (pure python already has it)
@@ -428,7 +428,7 @@
PHP
* Fixed memory leak in C-extension implementation.
* Added discardUnknokwnFields API.
- * Removed duplicatd typedef in C-extension headers.
+ * Removed duplicated typedef in C-extension headers.
* Avoided calling private php methods (timelib_update_ts).
* Fixed Any.php to use fully-qualified name for DescriptorPool.
