diff --git a/README.md b/README.md
index 33850fa..1763729 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,7 @@ With a script tag:
 - `keys` is a space separated list of menu activation keys
 - `multiword` defines whether the expansion should use several words or not
   - you can provide a space separated list of activation keys that should support multi-word matching
+- `suffix` is a string that is appended to the value during expansion, default is a single space character
 
 ## Events
 
diff --git a/src/text-expander-element.ts b/src/text-expander-element.ts
index 1f43c14..73f2b1d 100644
--- a/src/text-expander-element.ts
+++ b/src/text-expander-element.ts
@@ -125,7 +125,8 @@ class TextExpander {
     if (canceled) return
 
     if (!detail.value) return
-    const value = `${detail.value} `
+    const suffix = this.expander.getAttribute('suffix') ?? ' '
+    const value = `${detail.value}${suffix}`
 
     this.input.value = beginning + value + remaining