diff --git a/docs/Makefile b/docs/Makefile
index 7fe2c48..a1caa35 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -7,16 +7,33 @@ SPHINXBUILD   = sphinx-build
 SOURCEDIR     = .
 BUILDDIR      = _build
 
+LOCALES       = $$(echo $(wildcard locales/??) | sed s@locales/@@g)
+POT_DIR       = _build/gettext
+
 # Put it first so that "make" without argument is like "make help".
 help:
 	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	@echo
+	@echo publiccode.yml
+	@echo "  \e[31m\e[1mclean\e[0m" "\t" "Clean the build environment"
+	@echo "  \e[31m\e[1mpot_merge_po\e[0m" "\t" "Update the POT file and the language POs"
+	@echo "  \e[31m\e[1mdoc\e[0m" "\t\t" "Build the standard in all the languages"
 
 .PHONY: help Makefile
 
 clean:
-	rm -fr _build/??
+	rm -fr $(BUILDDIR)/??
 	rm -f locales/??/LC_MESSAGES/*.mo
 
+pot_merge_po: gettext
+	@LANG_OPTS=$$(echo $(LOCALES) | sed -E 's@([[:alpha:]]*)*@-l \1@g'); \
+	sphinx-intl update -p "${POT_DIR}" $${LANG_OPTS}
+
+doc: clean
+	@for lang in $(LOCALES); \
+		do make -e SPHINXOPTS="-D language=$${lang}" -e BUILDDIR="_build/$${lang}" rst; \
+	done
+
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile
diff --git a/docs/build.sh b/docs/build.sh
deleted file mode 100755
index cacfa03..0000000
--- a/docs/build.sh
+++ /dev/null
@@ -1,47 +0,0 @@
-#!/usr/bin/env bash
-
-set -o errexit -o nounset -o pipefail
-
-show_help() {
-cat << EOF
-Usage:
-    Extract new strings to translate and update POTs and PO files, if needed.
-    $0 generate_pot_merge_po
-
-    Generate RST files for all available translations.
-    $0 generate_doc
-
-    Print this help
-    $0 --help or -v
-EOF
-}
-
-# Autodetect the available locales in the locale/ directory.
-LOCALES=(locales/??)
-LOCALES=("${LOCALES[@]/locales\//}")
-
-POT_DIR="_build/gettext/"
-
-COMMAND=${1:-}
-
-case "${COMMAND}" in
-    generate_pot_merge_po)
-        make gettext
-
-        LANG_OPTS=$(printf -- "-l %s " "${LOCALES[@]}")
-        sphinx-intl update -p "${POT_DIR}" ${LANG_OPTS}
-        ;;
-    generate_doc)
-        # FIXME: Look into Sphinx not detecting when the .mo changes.
-        make clean
-
-        LANG_OPTS=$(printf -- "-D language=%s " "${LOCALES[@]}")
-
-        for lang in "${LOCALES[@]}"; do
-            make -e SPHINXOPTS="-D language=${lang}" -e BUILDDIR="_build/${lang}" rst
-        done
-        ;;
-    ""|-h|--help|*)
-        show_help
-        ;;
-esac