diff --git a/lib/README.md b/lib/README.md
index 95196e467..75debe872 100644
--- a/lib/README.md
+++ b/lib/README.md
@@ -61,6 +61,10 @@ It's possible to compile only a limited set of features.
         Each version also provides an additional dedicated set of advanced API.
         For example, advanced API for version `v0.4` is exposed in `lib/legacy/zstd_v04.h` .
         Note : `lib/legacy` only supports _decoding_ legacy formats.
+- Similarly, you can define `ZSTD_LIB_COMPRESSION, ZSTD_LIB_DECOMPRESSION`, `ZSTD_LIB_DICTBUILDER`, 
+        and `ZSTD_LIB_DEPRECATED` as 0 to forgo compilation of the corresponding features. This will 
+        also disable compilation of all dependencies (eg. `ZSTD_LIB_COMPRESSION=0` will also disable
+        dictBuilder). 
 
 
 #### Multithreading support