diff --git a/po/R-ja.po b/po/R-ja.po
index c96588ce..175ff7fe 100644
--- a/po/R-ja.po
+++ b/po/R-ja.po
@@ -581,7 +581,7 @@ msgid "%1s Residuals vs. Predictor Plots"
 msgstr "%1s 残差 vs. 予測子プロット"
 
 msgid "Standardized %1$s residuals vs. %2$s"
-msgstr "標準化 %1s 残差 vs. %2$s"
+msgstr "標準化 %1$s 残差 vs. %2$s"
 
 #, fuzzy
 msgid "Partial Residual Plots"