[libpng17] Fixed typo in contrib/pngminim/encoder/README
diff --git a/contrib/pngminim/encoder/README b/contrib/pngminim/encoder/README
index ff9aa45..d8d9a64 100644
--- a/contrib/pngminim/encoder/README
+++ b/contrib/pngminim/encoder/README
@@ -1,6 +1,6 @@
 This demonstrates the use of PNG_USER_CONFIG and pngusr.h
 
-The makefile builds a minimal write-only decoder with embedded libpng
+The makefile builds a minimal write-only encoder with embedded libpng
 and zlib.
 
 Specify the location of the zlib source (1.2.1 or later) as ZLIBSRC