diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index 364e9b81..6797402d 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -1,6 +1,6 @@
 #
 # This is the toplevel Makefile for a janware GmbH software build tree. It is
-# provided under the terms of the Gnu Lesser Public License, Version 2.
+# provided under the terms of the GNU Lesser Public License, Version 2.
 #
 # You will need a janware.com user account for pretty much anything this
 # Makefile does. Ask admin@janware.com if you want one.
@@ -9,7 +9,7 @@
 # for some on-line documentation of how this is meant to work.
 #
 
-# ------------ makefile and environment variables
+# ------------ Makefile and environment variables
 
 ifneq ($(PROJECTS),)
   export PGIT_CLONE_PROJECTS = $(PROJECTS)
@@ -60,7 +60,7 @@ ifneq ($(EXCLUDE_FROM_BUILD),)
 BUILD_PY_EXTRA_ARGS += --exclude "$(EXCLUDE_FROM_BUILD)"
 endif
 
-# ------------ commands
+# ------------ external programs
 
 MOD_SCRIPT_DIR        = ./jw-build/scripts
 PGIT                  = CLONE_PROJECTS="$(PROJECTS)" /bin/bash $(firstword $(wildcard $(MOD_SCRIPT_DIR)/pgit.sh /opt/jw-build/bin/pgit.sh) pgit.sh-not-found)
@@ -70,8 +70,8 @@ PURGE_SH              = /bin/bash $(firstword $(wildcard $(MOD_SCRIPT_DIR)/purge
 RELEASE_SH            = /bin/bash $(firstword $(wildcard $(MOD_SCRIPT_DIR)/build-release.sh /opt/jw-build/bin/build-release.sh) release-not-found)
 PKG_MANAGER_SH       ?= /bin/bash $(firstword $(wildcard $(MOD_SCRIPT_DIR)/pkg-manager.sh /opt/jw-build/bin/pkg-manager.sh) pkg-manager-not-found)
 BROWSER              ?= firefox
-GIT_SRV_ADMIN         = JW_BUILD_SSH_EXTRA_OPTS="$(JW_BUILD_SSH_EXTRA_OPTS)" $(GIT_SSH) $(JANWARE_USER)@git.jannet.de /opt/jw-build/bin/git-srv-admin.sh 
-CVS_ADMIN             = JW_BUILD_SSH_EXTRA_OPTS="$(JW_BUILD_SSH_EXTRA_OPTS)" $(GIT_SSH) $(JANWARE_USER)@git.jannet.de /opt/jw-build/bin/cvs-admin.sh 
+GIT_SRV_ADMIN_SH      = JW_BUILD_SSH_EXTRA_OPTS="$(JW_BUILD_SSH_EXTRA_OPTS)" $(GIT_SSH) $(JANWARE_USER)@git.jannet.de /opt/jw-build/bin/git-srv-admin.sh 
+CVS_ADMIN_SH          = JW_BUILD_SSH_EXTRA_OPTS="$(JW_BUILD_SSH_EXTRA_OPTS)" $(GIT_SSH) $(JANWARE_USER)@git.jannet.de /opt/jw-build/bin/cvs-admin.sh 
 
 # ------------ targets
   
@@ -181,12 +181,12 @@ git-conv-%:
 	}
 
 check-conv:
-	for p in `$(GIT_SRV_ADMIN) -u jan -j list-personal-projects`; do \
+	for p in `$(GIT_SRV_ADMIN_SH) -u jan -j list-personal-projects`; do \
 		make git-conv-$$p ;\
 	done
 
 list-maintainers:
-	$(GIT_SRV_ADMIN) $@
+	$(GIT_SRV_ADMIN_SH) $@
 
 projects.txt:
 	echo $(PROJECTS) | sed 's/ /\n/g; s%/%%g' > $@
@@ -217,7 +217,7 @@ cvsdir.done: ssh-wrapper.sh
 	touch $@
 
 cvs-update.done: cvsdir.done
-	cvs update -dP Makefile $(shell $(CVS_ADMIN) list-projects)
+	cvs update -dP Makefile $(shell $(CVS_ADMIN_SH) list-projects)
 	touch $@
 
 update.done: purge