diff --git a/contrib/bash_compl/_rgbasm.bash b/contrib/bash_compl/_rgbasm.bash
index 38d50bd2..4ec6cefc 100755
--- a/contrib/bash_compl/_rgbasm.bash
+++ b/contrib/bash_compl/_rgbasm.bash
@@ -183,6 +183,7 @@ _rgbasm_completions() {
 				long-string
 				macro-shift
 				nested-comment
+				numeric-string
 				obsolete
 				shift
 				shift-amount
diff --git a/contrib/zsh_compl/_rgbasm b/contrib/zsh_compl/_rgbasm
index de6d0078..03619e21 100644
--- a/contrib/zsh_compl/_rgbasm
+++ b/contrib/zsh_compl/_rgbasm
@@ -20,13 +20,15 @@ _rgbasm_warnings() {
 		'long-string:Warn on strings too long'
 		'macro-shift:Warn when shifting macro args part their limits'
 		'nested-comment:Warn on "/*" inside block comments'
+		'numeric-string:Warn when a multi-character string is treated as a number'
 		'obsolete:Warn when using deprecated features'
 		'shift:Warn when shifting negative values'
 		'shift-amount:Warn when a shift'\''s operand it negative or \> 32'
-		'truncation:Warn when implicit truncations lose bits'
+		'truncation:Warn when implicit truncation loses bits'
 		'user:Warn when executing the WARN built-in'
 	)
 	# TODO: handle `no-` and `error=` somehow?
+	# TODO: handle `=0|1|2` levels for `numeric-string` and `truncation`?
 	_describe warning warnings
 }