Various minor/cosmetic improvements to code

2 files changed, 4 insertions, 4 deletions

diff --git a/src/liballoc/tests/slice.rs b/src/liballoc/tests/slice.rs
index a50f99b0022..787e4952882 100644
--- a/src/liballoc/tests/slice.rs
+++ b/src/liballoc/tests/slice.rs
@@ -484,7 +484,7 @@ fn test_sort_stability() {
             // create a vector like [(6, 1), (5, 1), (6, 2), ...],
             // where the first item of each tuple is random, but
             // the second item represents which occurrence of that
-            // number this element is, i.e. the second elements
+            // number this element is, i.e., the second elements
             // will occur in sorted order.
             let mut orig: Vec<_> = (0..len)
                 .map(|_| {
@@ -502,7 +502,7 @@ fn test_sort_stability() {
             // This comparison includes the count (the second item
             // of the tuple), so elements with equal first items
             // will need to be ordered with increasing
-            // counts... i.e. exactly asserting that this sort is
+            // counts... i.e., exactly asserting that this sort is
             // stable.
             assert!(v.windows(2).all(|w| w[0] <= w[1]));
 
@@ -1579,7 +1579,7 @@ macro_rules! test {
             }).join();
 
             // Check that the number of things dropped is exactly
-            // what we expect (i.e. the contents of `v`).
+            // what we expect (i.e., the contents of `v`).
             for (i, c) in DROP_COUNTS.iter().enumerate().take(len) {
                 let count = c.load(Relaxed);
                 assert!(count == 1,
diff --git a/src/liballoc/tests/str.rs b/src/liballoc/tests/str.rs
index 494b36f8541..683ce2bf112 100644
--- a/src/liballoc/tests/str.rs
+++ b/src/liballoc/tests/str.rs
@@ -1005,7 +1005,7 @@ fn test_escape_debug() {
     // Note that there are subtleties with the number of backslashes
     // on the left- and right-hand sides. In particular, Unicode code points
     // are usually escaped with two backslashes on the right-hand side, as
-    // they are escaped. However, when the character is unescaped (e.g. for
+    // they are escaped. However, when the character is unescaped (e.g., for
     // printable characters), only a single backslash appears (as the character
     // itself appears in the debug string).
     assert_eq!("abc".escape_debug(), "abc");