diff --git a/VoiceInk/Services/WordReplacementService.swift b/VoiceInk/Services/WordReplacementService.swift
index eb74277..2c6fe85 100644
--- a/VoiceInk/Services/WordReplacementService.swift
+++ b/VoiceInk/Services/WordReplacementService.swift
@@ -15,16 +15,22 @@ class WordReplacementService {
         
         // Apply each replacement (case-insensitive, whole word)
         for (original, replacement) in replacements {
-            // Create a regular expression that matches the word boundaries
-            let pattern = "\\b\(NSRegularExpression.escapedPattern(for: original))\\b"
-            if let regex = try? NSRegularExpression(pattern: pattern, options: .caseInsensitive) {
-                let range = NSRange(modifiedText.startIndex..., in: modifiedText)
-                modifiedText = regex.stringByReplacingMatches(
-                    in: modifiedText,
-                    options: [],
-                    range: range,
-                    withTemplate: replacement
-                )
+            let isPhrase = original.contains(" ") || original.trimmingCharacters(in: .whitespacesAndNewlines) != original
+
+            if isPhrase {
+                 modifiedText = modifiedText.replacingOccurrences(of: original, with: replacement, options: .caseInsensitive)
+            } else {
+                // Create a regular expression that matches the word boundaries
+                let pattern = "\\b\(NSRegularExpression.escapedPattern(for: original))\\b"
+                if let regex = try? NSRegularExpression(pattern: pattern, options: .caseInsensitive) {
+                    let range = NSRange(modifiedText.startIndex..., in: modifiedText)
+                    modifiedText = regex.stringByReplacingMatches(
+                        in: modifiedText,
+                        options: [],
+                        range: range,
+                        withTemplate: replacement
+                    )
+                }
             }
         }
         
diff --git a/VoiceInk/Views/Dictionary/WordReplacementView.swift b/VoiceInk/Views/Dictionary/WordReplacementView.swift
index 703170a..8cc1358 100644
--- a/VoiceInk/Views/Dictionary/WordReplacementView.swift
+++ b/VoiceInk/Views/Dictionary/WordReplacementView.swift
@@ -273,12 +273,12 @@ struct AddReplacementSheet: View {
     }
     
     private func addReplacement() {
-        let trimmedOriginal = originalWord.trimmingCharacters(in: .whitespacesAndNewlines)
-        let trimmedReplacement = replacementWord.trimmingCharacters(in: .whitespacesAndNewlines)
+        let original = originalWord
+        let replacement = replacementWord
         
-        guard !trimmedOriginal.isEmpty && !trimmedReplacement.isEmpty else { return }
+        guard !original.isEmpty && !replacement.isEmpty else { return }
         
-        manager.addReplacement(original: trimmedOriginal, replacement: trimmedReplacement)
+        manager.addReplacement(original: original, replacement: replacement)
         dismiss()
     }
 }