docs: correct mispelled words

Co-authored-by: KOTP <keeperotphones@gmail.com>

.gitmessage

@@ -17,11 +17,11 @@
 #   about what the old behavior was, why the change was necessary, and what the
 #   new behavior is
 #
-# - The `footer` MAY be prsent, and should include any relevant trailers and
+# - The `footer` MAY be present, and should include any relevant trailers and
 #   other metadata
 #
 # Valid values for <type>:
-#   - deprecation: a change related to deprecation of a reosurce or interface
+#   - deprecation: a change related to deprecation of a resource or interface
 #   - design: a change related to design that does not change an interface or
 #     any application/business logic
 #   - doc: a change related to documentation