diff --git a/src/kitemviews/kfileitemmodel.cpp b/src/kitemviews/kfileitemmodel.cpp
--- a/src/kitemviews/kfileitemmodel.cpp
+++ b/src/kitemviews/kfileitemmodel.cpp
@@ -2047,8 +2047,9 @@
 
                 if (daysDistance == 1) {
                     newGroupValue = fileTime.toString(i18nc("@title:group Date: "
-                        "MMMM is full month name in current locale, and yyyy is "
-                        "full year number", "'Yesterday' (MMMM, yyyy)"));
+                        "MMMM is full month name in current locale, and yyyy is full year number."
+                        "Do not replace single quotes with other characters such as «...», otherwise the translation will break.",
+                        "'Yesterday' (MMMM, yyyy)"));
                     newGroupValue = i18nc("Can be used to script translation of "
                         "\"'Yesterday' (MMMM, yyyy)\" with context @title:group Date",
                         "%1", newGroupValue);
@@ -2062,29 +2063,33 @@
                         "%1", newGroupValue);
                 } else if (daysDistance <= 7 * 2) {
                     newGroupValue = fileTime.toString(i18nc("@title:group Date: "
-                        "MMMM is full month name in current locale, and yyyy is "
-                        "full year number", "'One Week Ago' (MMMM, yyyy)"));
+                        "MMMM is full month name in current locale, and yyyy is full year number."
+                        "Do not replace single quotes with other characters such as «...», otherwise the translation will break.",
+                        "'One Week Ago' (MMMM, yyyy)"));
                     newGroupValue = i18nc("Can be used to script translation of "
                         "\"'One Week Ago' (MMMM, yyyy)\" with context @title:group Date",
                         "%1", newGroupValue);
                 } else if (daysDistance <= 7 * 3) {
                     newGroupValue = fileTime.toString(i18nc("@title:group Date: "
-                        "MMMM is full month name in current locale, and yyyy is "
-                        "full year number", "'Two Weeks Ago' (MMMM, yyyy)"));
+                        "MMMM is full month name in current locale, and yyyy is full year number."
+                        "Do not replace single quotes with other characters such as «...», otherwise the translation will break.",
+                        "'Two Weeks Ago' (MMMM, yyyy)"));
                     newGroupValue = i18nc("Can be used to script translation of "
                         "\"'Two Weeks Ago' (MMMM, yyyy)\" with context @title:group Date",
                         "%1", newGroupValue);
                 } else if (daysDistance <= 7 * 4) {
                     newGroupValue = fileTime.toString(i18nc("@title:group Date: "
-                        "MMMM is full month name in current locale, and yyyy is "
-                        "full year number", "'Three Weeks Ago' (MMMM, yyyy)"));
+                        "MMMM is full month name in current locale, and yyyy is full year number."
+                        "Do not replace single quotes with other characters such as «...», otherwise the translation will break.",
+                        "'Three Weeks Ago' (MMMM, yyyy)"));
                     newGroupValue = i18nc("Can be used to script translation of "
                         "\"'Three Weeks Ago' (MMMM, yyyy)\" with context @title:group Date",
                         "%1", newGroupValue);
                 } else {
                     newGroupValue = fileTime.toString(i18nc("@title:group Date: "
-                        "MMMM is full month name in current locale, and yyyy is "
-                        "full year number", "'Earlier on' MMMM, yyyy"));
+                        "MMMM is full month name in current locale, and yyyy is full year number."
+                        "Do not replace single quotes with other characters such as «...», otherwise the translation will break.",
+                        "'Earlier on' MMMM, yyyy"));
                     newGroupValue = i18nc("Can be used to script translation of "
                         "\"'Earlier on' MMMM, yyyy\" with context @title:group Date",
                         "%1", newGroupValue);