diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index e753644..37f0a18 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -1,4 +1,4 @@
-*quickfix.txt*  For Vim version 9.1.  Last change: 2024 Oct 05
+*quickfix.txt*  For Vim version 9.1.  Last change: 2024 Nov 07
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1405,6 +1405,33 @@
 value.  For example: >
 	let g:perl_compiler_force_warnings = 0
 
+MYPY TYPE CHECKER					*compiler-mypy*
+
+Commonly used compiler options can be added to 'makeprg' by setting the
+b/g:mypy_makeprg_params variable.  For example: >
+
+	let b:mypy_makeprg_params = "--warn-unused-ignores"
+
+The global default is "--strict --ignore-missing-imports".
+
+RUFF LINTER						*compiler-ruff*
+
+Commonly used compiler options can be added to 'makeprg' by setting the
+b/g:ruff_makeprg_params variable.  For example: >
+
+	let b:ruff_makeprg_params = "--max-line-length"..&textwidth
+
+The global default is "--preview".
+
+PYLINT LINTER						*compiler-pylint*
+
+Commonly used compiler options can be added to 'makeprg' by setting the
+b/g:pylint_makeprg_params variable.  For example: >
+
+	let b:pylint_makeprg_params = "--max-line-length"..&textwidth
+
+The global default is "--jobs=n" where n is the number of cores as reported
+by getconf, if executable. Otherwise it defaults to "".
 
 PYUNIT COMPILER						*compiler-pyunit*