diff --git a/Doc/Makefile b/Doc/Makefile
index 24528a1c4f3..19ddafc5f2f 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -117,6 +117,10 @@ suspicious:
 	     "or in build/$(BUILDER)/suspicious.csv.  If all issues are false" \
 	     "positives, append that file to tools/susp-ignored.csv."; \
 	false; }
+	@echo "⚠ make suspicious is deprecated and will be removed soon."
+	@echo "⚠ Use:"
+	@echo "⚠     make check"
+	@echo "⚠ instead."
 
 coverage: BUILDER = coverage
 coverage: build
diff --git a/Misc/NEWS.d/next/Documentation/2021-11-20-02-46-39.bpo-42238.hlfMIc.rst b/Misc/NEWS.d/next/Documentation/2021-11-20-02-46-39.bpo-42238.hlfMIc.rst
new file mode 100644
index 00000000000..dac8b17d15d
--- /dev/null
+++ b/Misc/NEWS.d/next/Documentation/2021-11-20-02-46-39.bpo-42238.hlfMIc.rst
@@ -0,0 +1,2 @@
+``make -C Doc suspicious`` will be removed soon in favor of ``make -C Doc
+check``, mark it as deprecated.