Various minor/cosmetic improvements to code

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/ffi/mod.rs b/src/libstd/ffi/mod.rs
index bd5fc3fa24a..99da73adc63 100644
--- a/src/libstd/ffi/mod.rs
+++ b/src/libstd/ffi/mod.rs
@@ -21,7 +21,7 @@
 //! Rust represents owned strings with the [`String`] type, and
 //! borrowed slices of strings with the [`str`] primitive. Both are
 //! always in UTF-8 encoding, and may contain nul bytes in the middle,
-//! i.e. if you look at the bytes that make up the string, there may
+//! i.e., if you look at the bytes that make up the string, there may
 //! be a `\0` among them. Both `String` and `str` store their length
 //! explicitly; there are no nul terminators at the end of strings
 //! like in C.
@@ -44,7 +44,7 @@
 //! code point]'.
 //!
 //! * **Nul terminators and implicit string lengths** - Often, C
-//! strings are nul-terminated, i.e. they have a `\0` character at the
+//! strings are nul-terminated, i.e., they have a `\0` character at the
 //! end. The length of a string buffer is not stored, but has to be
 //! calculated; to compute the length of a string, C code must
 //! manually call a function like `strlen()` for `char`-based strings,