Fix typos in comments
Change-Id: I90ad720ef4e7326fb66d104fee3da19fc623a460
diff --git a/pw_preprocessor/public/pw_preprocessor/macro_arg_count.h b/pw_preprocessor/public/pw_preprocessor/macro_arg_count.h
index 02791e5..8525577 100644
--- a/pw_preprocessor/public/pw_preprocessor/macro_arg_count.h
+++ b/pw_preprocessor/public/pw_preprocessor/macro_arg_count.h
@@ -54,7 +54,7 @@
// whether a variadic macro was called with no arguments or with one argument.
// A macro invoked with no arguments is actually passed one empty argument.
//
-// This macro works by checking for the presense of a comma in four situations.
+// This macro works by checking for the presence of a comma in four situations.
// These situations give the following information about __VA_ARGS__:
//
// 1. It is two or more variadic arguments.
diff --git a/pw_tokenizer/py/pw_tokenizer/database.py b/pw_tokenizer/py/pw_tokenizer/database.py
index cf9319d..4e35a9d 100755
--- a/pw_tokenizer/py/pw_tokenizer/database.py
+++ b/pw_tokenizer/py/pw_tokenizer/database.py
@@ -321,7 +321,7 @@
parents=[option_db, option_tokens],
help=(
'Adds new strings to a database with tokenized strings from a set '
- 'of ELF files or other token databases. Missing entires are NOT '
+ 'of ELF files or other token databases. Missing entries are NOT '
'marked as removed.'))
subparser.set_defaults(handler=_handle_add)