diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 8a52f278f..3558d69da 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -1234,7 +1234,8 @@ void PrintConfigDef::init_fff_params()
     def->label = L("width");
     def->full_label = L("Ironing width");
     def->category = OptionCategory::infill;
-    def->tooltip = L("This is the width of the ironing pass, in a % of the top extrusion width, should not be more than 50%.");
+    def->tooltip = L("This is the width of the ironing pass, in a % of the top extrusion width, should not be more than 50%"
+        " (two times more lines, 50% overlap). It's not necessary to go below 25% (four times more lines, 75% overlap)");
     def->min = 0;
     def->mode = comExpert;
     def->set_default_value(new ConfigOptionFloatOrPercent(50, true));
@@ -1243,8 +1244,9 @@ void PrintConfigDef::init_fff_params()
     def->label = L("distribution");
     def->full_label = L("Ironing flow distribution");
     def->category = OptionCategory::infill;
-    def->tooltip = L("This is the percentage of the flow that is used for the second ironing pass. Typical 0-20%. "
-        "Should not be higher than 20%, unless you have your top extrusion width greatly superior to your nozzle width.");
+    def->tooltip = L("This is the percentage of the flow that is used for the second ironing pass. Typical 10-20%. "
+        "Should not be higher than 20%, unless you have your top extrusion width greatly superior to your nozzle width. "
+        "A value too low and your extruder will eat the filament. A value too high and the first pass won't print well.");
     //def->min = 0;
     //def->max = 0.9;
     def->mode = comExpert;
diff --git a/src/slic3r/Config/Version.cpp b/src/slic3r/Config/Version.cpp
index fcebf88d1..31b335019 100644
--- a/src/slic3r/Config/Version.cpp
+++ b/src/slic3r/Config/Version.cpp
@@ -53,8 +53,8 @@ bool Version::is_slic3r_supported(const Semver &slic3r_version) const
 		// Released config is always supported.
 		return true;
 	else if (prerelease_slic3r == nullptr)
-		// Released slic3r only supports released configs.
-		return false;
+		// Released slic3r only supports released configs unless it's far ahead.
+		return slic3r_version >= min_slic3r_version;
 	// Compare the pre-release status of Slic3r against the config.
 	// If the prerelease status of slic3r is lexicographically lower or equal 
 	// to the prerelease status of the config, accept it.