Valmiki Ramayana Aranya Kanda Sarga 13 Shloka 7
Original Shlokaइयं तु भवतो भार्या दोषैरेतैर्विवर्जिता। श्लाघ्या च व्यपदेश्या च यथा देवी ह्यरुन्धती।।3.13.7।।
1 source checked for this shloka
भवतः your, भार्या wife, इयं तु this lady, एतैः by these, दोषैः demerits, विवर्जिता is free, देवी revered lady, अरुन्धती यथा like Arundhati, श्लाघ्या च she is praiseworthy, व्यपदेश्या च exemplary too.
Your wife is free from such blemishes. She is praiseworthy and worthy of mention as an example just like the revered Arundhati.