diff --git a/src/vs/editor/contrib/parameterHints/browser/parameterHints.css b/src/vs/editor/contrib/parameterHints/browser/parameterHints.css
index dd628db6a5ecc..d6a1ffafeb749 100644
--- a/src/vs/editor/contrib/parameterHints/browser/parameterHints.css
+++ b/src/vs/editor/contrib/parameterHints/browser/parameterHints.css
@@ -55,6 +55,7 @@
 
 .monaco-editor .parameter-hints-widget .docs {
 	padding: 0 10px 0 5px;
+	white-space: pre-wrap;
 }
 
 .monaco-editor .parameter-hints-widget .buttons {