diff --git a/rio/ChangeLog.md b/rio/ChangeLog.md
index 6e44f82..91ecc47 100644
--- a/rio/ChangeLog.md
+++ b/rio/ChangeLog.md
@@ -139,7 +139,7 @@
 * Add `foldMapM`
 * Add `headMaybe`, `lastMaybe`, `tailMaybe`, `initMaybe`, `maximumMaybe`, `minimumMaybe`,
   `maximumByMaybe`, `minimumByMaybe` functions to `RIO.List` module (issue #82)
-* Move non partial functions `scanr1` and `scanl1` from `RIO.List.Partial` to `RIO.List` (issue #82)
+* Move non-partial functions `scanr1` and `scanl1` from `RIO.List.Partial` to `RIO.List` (issue #82)
 * Add `SimpleApp` and `runSimpleApp`
 * Add `asIO`
 
diff --git a/rio/README.md b/rio/README.md
index fcf91d9..a6e132b 100644
--- a/rio/README.md
+++ b/rio/README.md
@@ -9,7 +9,7 @@
 The goal of the `rio` library is to make it easier to adopt Haskell
 for writing production software.  It is intended as a cross between:
 
-* Collection of well designed, trusted libraries
+* Collection of well-designed, trusted libraries
 * Useful `Prelude` replacement
 * A set of best practices for writing production quality Haskell code
 
@@ -197,7 +197,7 @@ StaticPointers
 
 ### GHC Options
 
-We recommend using these GHC complier warning flags on all projects, to catch
+We recommend using these GHC compiler warning flags on all projects, to catch
 problems that might otherwise go overlooked:
 
 * `-Wall`