diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index 5a0e5bf..479edc5 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -1210,7 +1210,14 @@
 						*:defc* *:defcompile*
 :defc[ompile]		Compile functions defined in the current script that
 			were not compiled yet.
-			This will report errors found during the compilation.
+			This will report any errors found during compilation.
+
+:defc[ompile] {func}
+:defc[ompile] debug {func}
+:defc[ompile] profile {func}
+			Compile function {func}, if needed.  Use "debug" and
+			"profile" to specify the compilation mode.
+			This will report any errors found during compilation.
 
 						*:disa* *:disassemble*
 :disa[ssemble] {func}	Show the instructions generated for {func}.