diff --git a/plugins/dbms/postgresql/syntax.py b/plugins/dbms/postgresql/syntax.py
index a2ff34f3c..902300f18 100644
--- a/plugins/dbms/postgresql/syntax.py
+++ b/plugins/dbms/postgresql/syntax.py
@@ -34,6 +34,7 @@ class Syntax(GenericSyntax):
                 unescaped = ""
 
                 for i in xrange(firstIndex, lastIndex):
+                    # Postgres CHR() function already accepts Unicode code point of character(s)
                     unescaped += "CHR(%d)" % (ord(expression[i]))
                     if i < lastIndex - 1:
                         unescaped += "||"