diff --git a/CHANGELOG b/CHANGELOG
index 6340c76..e40e19e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -60,8 +60,8 @@
   large, rather than `"Not a supported wave file. The format chunk extension is
   shorter than expected."`. As an example of what "too large" means, if a
   `"fmt "` chunk has a size of 40 bytes, then any chunk extension larger than
-  22 bytes will be too large and overflow out of the chunk, since all `"fmt "`
-  chunk extensions start at byte 18 (0-based).
+  22 bytes will be too large and overflow out of the chunk, since a chunk
+  extension's content always starts at byte 18 (0-based).
 
 
 1.1.1
diff --git a/README.markdown b/README.markdown
index a7464c3..2b5f1cd 100644
--- a/README.markdown
+++ b/README.markdown
@@ -98,7 +98,7 @@ The full details:
 
 * **Bug Fix:** More accurate message on the `InvalidFormatError` raised when reading a file whose `"fmt "` chunk extension is too large to fit in the chunk.
 
-    The message will now correctly state that the chunk extension is too large, rather than `"Not a supported wave file. The format chunk extension is shorter than expected."`. As an example of what "too large" means, if a `"fmt "` chunk has a size of 40 bytes, then any chunk extension larger than 22 bytes will be too large and overflow out of the chunk, since all `"fmt "` chunk extensions start at byte 18 (0-based).
+    The message will now correctly state that the chunk extension is too large, rather than `"Not a supported wave file. The format chunk extension is shorter than expected."`. As an example of what "too large" means, if a `"fmt "` chunk has a size of 40 bytes, then any chunk extension larger than 22 bytes will be too large and overflow out of the chunk, since a chunk extension's content always starts at byte 18 (0-based).
 
 # Previous Release: v1.1.1