diff --git a/README.md b/README.md
index e32f9cb..79ecce6 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ stb
 
 single-file public domain libraries for C/C++
 
-library    | lastest version | category | Lines Of Code | description
+library    | lastest version | category | lines of code | description
 --------------------- | ---- | -------- | ------------- | --------------------------------
 **stb_vorbis.c** | 1.04 | audio | 5443 | decode ogg vorbis files from file/memory to float/16-bit signed output
 **stb_image.h** | 2.03 | graphics | 6426 | image loading/decoding from file/memory: JPG, PNG, TGA, BMP, PSD, GIF, HDR, PIC
diff --git a/tools/README.header.md b/tools/README.header.md
index 47678ea..f85c985 100644
--- a/tools/README.header.md
+++ b/tools/README.header.md
@@ -3,5 +3,5 @@ stb
 
 single-file public domain libraries for C/C++
 
-library    | lastest version | category | Lines Of Code | description
+library    | lastest version | category | lines of code | description
 --------------------- | ---- | -------- | ------------- | --------------------------------