minor spelling fixes
diff --git a/doc/zstd_compression_format.md b/doc/zstd_compression_format.md
index aa86d14..86a7ace 100644
--- a/doc/zstd_compression_format.md
+++ b/doc/zstd_compression_format.md
@@ -91,10 +91,10 @@
Frames
------
-Zstandard compressed data is made of up one or more __frames__.
+Zstandard compressed data is made of one or more __frames__.
Each frame is independent and can be decompressed indepedently of other frames.
The decompressed content of multiple concatenated frames is the concatenation of
-each frames decompressed content.
+each frame decompressed content.
There are two frame formats defined by Zstandard:
Zstandard frames and Skippable frames.
@@ -182,7 +182,7 @@
In this case, `Window_Descriptor` byte is skipped,
but `Frame_Content_Size` is necessarily present.
As a consequence, the decoder must allocate a memory segment
-of size equal or bigger than `Frame_Content_Size`.
+of size equal or larger than `Frame_Content_Size`.
In order to preserve the decoder from unreasonable memory requirements,
a decoder is allowed to reject a compressed frame