diff --git a/Makefile b/Makefile
index 47746ab1d..5f4b7935a 100644
--- a/Makefile
+++ b/Makefile
@@ -27,7 +27,7 @@ endif
 default: lib-release zstd-release
 
 .PHONY: all
-all: | allmost examples manual
+all: | allmost examples manual contrib
 
 .PHONY: allmost
 allmost: allzstd
@@ -92,6 +92,11 @@ examples:
 manual:
 	$(MAKE) -C contrib/gen_html $@
 
+.PHONY: contrib
+contrib: lib
+	$(MAKE) -C contrib/pzstd all
+	$(MAKE) -C contrib/seekable_format/examples all
+
 .PHONY: cleanTabs
 cleanTabs:
 	cd contrib; ./cleanTabs
@@ -104,6 +109,8 @@ clean:
 	@$(MAKE) -C $(ZWRAPDIR) $@ > $(VOID)
 	@$(MAKE) -C examples/ $@ > $(VOID)
 	@$(MAKE) -C contrib/gen_html $@ > $(VOID)
+	@$(MAKE) -C contrib/pzstd $@ > $(VOID)
+	@$(MAKE) -C contrib/seekable_format/examples $@ > $(VOID)
 	@$(RM) zstd$(EXT) zstdmt$(EXT) tmp*
 	@$(RM) -r lz4
 	@echo Cleaning completed
diff --git a/doc/zstd_manual.html b/doc/zstd_manual.html
index 7c55363f0..302b53595 100644
--- a/doc/zstd_manual.html
+++ b/doc/zstd_manual.html
@@ -825,9 +825,9 @@ size_t ZSTD_decodingBufferSize_min(unsigned long long windowSize, unsigned long
 
     ZSTD_p_compressLiterals=1000, </b>/* control huffman compression of literals (enabled) by default.<b>
                               * disabling it improves speed and decreases compression ratio by a large amount.
-                              * note : this setting is updated when changing compression level.
-                              *        positive compression levels set literalCompression to 1.
-                              *        negative compression levels set literalCompression to 0. */
+                              * note : this setting is automatically updated when changing compression level.
+                              *        positive compression levels set ZSTD_p_compressLiterals to 1.
+                              *        negative compression levels set ZSTD_p_compressLiterals to 0. */
 
     ZSTD_p_forceMaxWindow=1100, </b>/* Force back-reference distances to remain < windowSize,<b>
                               * even when referencing into Dictionary content (default:0) */