diff --git a/src/Magnum/MeshTools/Combine.cpp b/src/Magnum/MeshTools/Combine.cpp
index a598d32fb..e8373aa3c 100644
--- a/src/Magnum/MeshTools/Combine.cpp
+++ b/src/Magnum/MeshTools/Combine.cpp
@@ -239,7 +239,7 @@ Trade::MeshData combineFaceAttributes(const Trade::MeshData& mesh, Containers::A
     #ifndef CORRADE_NO_ASSERT
     for(std::size_t i = 0; i != faceAttributes.size(); ++i)
         CORRADE_ASSERT(!faceAttributes[i].isOffsetOnly(),
-            "MeshTools::combineFaceAttributes(): face attribute" << i << "is offset-only, which is not supported",
+            "MeshTools::combineFaceAttributes(): face attribute" << i << "is offset-only",
                 (Trade::MeshData{MeshPrimitive::Triangles, 0}));
     #endif
 
diff --git a/src/Magnum/MeshTools/Duplicate.cpp b/src/Magnum/MeshTools/Duplicate.cpp
index 209019862..4b985b285 100644
--- a/src/Magnum/MeshTools/Duplicate.cpp
+++ b/src/Magnum/MeshTools/Duplicate.cpp
@@ -116,7 +116,7 @@ Trade::MeshData duplicate(const Trade::MeshData& mesh, const Containers::ArrayVi
         /* Asserting here even though data() has another assert since that one
            would be too confusing in this context */
         CORRADE_ASSERT(!extra[i].isOffsetOnly(),
-            "MeshTools::duplicate(): extra attribute" << i << "is offset-only, which is not supported",
+            "MeshTools::duplicate(): extra attribute" << i << "is offset-only",
             (Trade::MeshData{MeshPrimitive::Triangles, 0}));
 
         /* Copy the attribute in, if it is non-empty, otherwise keep the
diff --git a/src/Magnum/MeshTools/Interleave.cpp b/src/Magnum/MeshTools/Interleave.cpp
index 173c5ccc1..5ba11b8ba 100644
--- a/src/Magnum/MeshTools/Interleave.cpp
+++ b/src/Magnum/MeshTools/Interleave.cpp
@@ -346,7 +346,7 @@ Trade::MeshData interleave(Trade::MeshData&& mesh, const Containers::ArrayView<c
             /* Asserting here even though data() has another assert since that
                one would be too confusing in this context */
             CORRADE_ASSERT(!extra[i].isOffsetOnly(),
-                "MeshTools::interleave(): extra attribute" << i << "is offset-only, which is not supported",
+                "MeshTools::interleave(): extra attribute" << i << "is offset-only",
                 (Trade::MeshData{MeshPrimitive::Triangles, 0}));
 
             /* Copy the attribute in, if it is non-empty, otherwise keep the
diff --git a/src/Magnum/MeshTools/Test/CombineTest.cpp b/src/Magnum/MeshTools/Test/CombineTest.cpp
index cda4d9485..69f402abf 100644
--- a/src/Magnum/MeshTools/Test/CombineTest.cpp
+++ b/src/Magnum/MeshTools/Test/CombineTest.cpp
@@ -571,7 +571,7 @@ void CombineTest::combineFaceAttributesFaceAttributeOffsetOnly() {
             VertexFormat::Vector4, 0, 5, 16}
     });
     CORRADE_COMPARE(out.str(),
-        "MeshTools::combineFaceAttributes(): face attribute 1 is offset-only, which is not supported\n");
+        "MeshTools::combineFaceAttributes(): face attribute 1 is offset-only\n");
 }
 
 }}}}
diff --git a/src/Magnum/MeshTools/Test/DuplicateTest.cpp b/src/Magnum/MeshTools/Test/DuplicateTest.cpp
index 3f60fb4d9..310d263d1 100644
--- a/src/Magnum/MeshTools/Test/DuplicateTest.cpp
+++ b/src/Magnum/MeshTools/Test/DuplicateTest.cpp
@@ -457,7 +457,7 @@ void DuplicateTest::duplicateMeshDataExtraOffsetOnly() {
         Trade::MeshAttributeData{10},
         Trade::MeshAttributeData{Trade::MeshAttribute::Normal, VertexFormat::Vector3, 3, 5, 14}
     });
-    CORRADE_COMPARE(out.str(), "MeshTools::duplicate(): extra attribute 1 is offset-only, which is not supported\n");
+    CORRADE_COMPARE(out.str(), "MeshTools::duplicate(): extra attribute 1 is offset-only\n");
 }
 
 void DuplicateTest::duplicateMeshDataExtraImplementationSpecificVertexFormat() {
diff --git a/src/Magnum/MeshTools/Test/InterleaveTest.cpp b/src/Magnum/MeshTools/Test/InterleaveTest.cpp
index da19bd1f9..668122cb5 100644
--- a/src/Magnum/MeshTools/Test/InterleaveTest.cpp
+++ b/src/Magnum/MeshTools/Test/InterleaveTest.cpp
@@ -1350,7 +1350,7 @@ void InterleaveTest::interleaveMeshDataExtraOffsetOnly() {
         Trade::MeshAttributeData{10},
         Trade::MeshAttributeData{Trade::MeshAttribute::Normal, VertexFormat::Vector3, 3, 5, 14}
     });
-    CORRADE_COMPARE(out.str(), "MeshTools::interleave(): extra attribute 1 is offset-only, which is not supported\n");
+    CORRADE_COMPARE(out.str(), "MeshTools::interleave(): extra attribute 1 is offset-only\n");
 }
 
 void InterleaveTest::interleaveMeshDataExtraImplementationSpecificVertexFormat() {
diff --git a/src/Magnum/Trade/MeshData.h b/src/Magnum/Trade/MeshData.h
index 41fd1b944..6d035f2b4 100644
--- a/src/Magnum/Trade/MeshData.h
+++ b/src/Magnum/Trade/MeshData.h
@@ -414,9 +414,11 @@ but the actual data is allocated / populated at runtime:
 
 @snippet MagnumTrade.cpp MeshAttributeData-usage-offset-only
 
-Note that @ref MeshTools algorithms generally don't accept offset-only
-@ref MeshAttributeData instances except when passed through a @ref MeshData
-instance.
+Offset-only attributes return @cpp true @ce for @ref isOffsetOnly(). Note that
+@ref MeshTools algorithms generally don't accept offset-only
+@ref MeshAttributeData instances except when passed through a @ref MeshData, as
+for a standalone offset-only @ref MeshAttributeData it's impossible to know
+what data it points to.
 
 @section Trade-MeshAttributeData-custom-vertex-format Custom vertex formats