diff --git a/lib/readline.js b/lib/readline.js
index da375c2bb77c97..3927402f63ef52 100644
--- a/lib/readline.js
+++ b/lib/readline.js
@@ -369,7 +369,7 @@ Interface.prototype._normalWrite = function(b) {
 
     // got one or more newlines; process into "line" events
     var lines = string.split(lineEnding);
-    // either '' or (concievably) the unfinished portion of the next line
+    // either '' or (conceivably) the unfinished portion of the next line
     string = lines.pop();
     this._line_buffer = string;
     lines.forEach(function(line) {