diff --git a/doc/Makefile b/doc/Makefile
index ad80017b7e..2a4edc70f3 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -94,10 +94,11 @@ html: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK) $(MATHJAX)
 		rm -f $(BUILDDIR)/doxygen/xml/run.stamp;\
 		echo "############################################" ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
 		rst_anchor_check src/*.rst ;\
-		python $(BUILDDIR)/utils/check-packages.py -s ../src -d src ;\
+		$(PYTHON) $(BUILDDIR)/utils/check-packages.py -s ../src -d src ;\
 		env LC_ALL=C grep -n '[^ -~]' $(RSTDIR)/*.rst ;\
 		env LC_ALL=C grep -n ' :[a-z]\+`' $(RSTDIR)/*.rst ;\
-		python $(BUILDDIR)/utils/check-styles.py -s ../src -d src ;\
+		env LC_ALL=C grep -n ' `[^`]\+<[a-z][^`]\+`[^_]' $(RSTDIR)/*.rst ;\
+		$(PYTHON) $(BUILDDIR)/utils/check-styles.py -s ../src -d src ;\
 		echo "############################################" ;\
 		deactivate ;\
 	)
@@ -174,10 +175,11 @@ pdf: xmlgen $(VENV) $(SPHINXCONFIG)/conf.py $(ANCHORCHECK)
 		rm -f $(BUILDDIR)/doxygen/xml/run.stamp;\
 		echo "############################################" ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
 		rst_anchor_check src/*.rst ;\
-		python utils/check-packages.py -s ../src -d src ;\
+		$(PYTHON) utils/check-packages.py -s ../src -d src ;\
 		env LC_ALL=C grep -n '[^ -~]' $(RSTDIR)/*.rst ;\
 		env LC_ALL=C grep -n ' :[a-z]\+`' $(RSTDIR)/*.rst ;\
-		python utils/check-styles.py -s ../src -d src ;\
+		env LC_ALL=C grep -n ' `[^`]\+<[a-z][^`]\+`[^_]' $(RSTDIR)/*.rst ;\
+		$(PYTHON) utils/check-styles.py -s ../src -d src ;\
 		echo "############################################" ;\
 		deactivate ;\
 	)
@@ -208,14 +210,14 @@ anchor_check : $(ANCHORCHECK)
 style_check : $(VENV)
 	@(\
 		. $(VENV)/bin/activate ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
-		python utils/check-styles.py -s ../src -d src ;\
+		$(PYTHON) utils/check-styles.py -s ../src -d src ;\
 		deactivate ;\
 	)
 
 package_check : $(VENV)
 	@(\
 		. $(VENV)/bin/activate ; env PYTHONWARNINGS= PYTHONDONTWRITEBYTECODE=1 \
-		python utils/check-packages.py -s ../src -d src ;\
+		$(PYTHON) utils/check-packages.py -s ../src -d src ;\
 		deactivate ;\
 	)
 
@@ -224,6 +226,7 @@ char_check :
 
 role_check :
 	@( env LC_ALL=C grep -n ' :[a-z]\+`' $(RSTDIR)/*.rst && exit 1 || : )
+	@( env LC_ALL=C grep -n ' `[^`]\+<[a-z][^`]\+`[^_]' $(RSTDIR)/*.rst && exit 1 || : )
 
 link_check : $(VENV) html
 	@(\
diff --git a/doc/src/Install_linux.rst b/doc/src/Install_linux.rst
index f902b1b987..91e7529879 100644
--- a/doc/src/Install_linux.rst
+++ b/doc/src/Install_linux.rst
@@ -42,7 +42,7 @@ static linkage, there is no ``liblammps.so`` library file and thus also the
 LAMMPS python module, which depends on it, is not included.
 
 The compressed tar archives available for download have names following
-the pattern `lammps-linux-x86_64-<version>.tar.gz` and will all unpack
+the pattern ``lammps-linux-x86_64-<version>.tar.gz`` and will all unpack
 into a ``lammps-static`` folder.  The executables are then in the
 ``lammps-static/bin/`` folder.  Since they do not depend on any other
 software, they may be freely moved or copied around.