diff --git a/imagesets/multibandmsimageset.cpp b/imagesets/multibandmsimageset.cpp
index bd5ef6b142274fc7787515737d85781f52e1fc07..c9e26673c0b827cf18763be7444d163ba662c9b0 100644
--- a/imagesets/multibandmsimageset.cpp
+++ b/imagesets/multibandmsimageset.cpp
@@ -152,21 +152,23 @@ template <class Type, class Functor>
 static void ValidateEqual(const Type& lhs,
                           std::vector<const MSMetaData*>::const_iterator first,
                           std::vector<const MSMetaData*>::const_iterator last,
-                          Functor&& functor) {
+                          Functor&& functor, const std::string& description) {
   if (!std::all_of(first, last, [&](const MSMetaData* element) {
         return lhs == functor(element);
       })) {
-    throw std::runtime_error("The loaded measurement sets are not compatible");
+    throw std::runtime_error(
+        "The loaded measurement sets are not compatible in this dimension: " +
+        description);
   }
 }
 
 template <class Functor>
 static auto ExtractField(const std::vector<const MSMetaData*>& meta_data,
-                         Functor&& functor) {
+                         Functor&& functor, const std::string& description) {
   assert(!meta_data.empty());
   auto result = functor(meta_data[0]);
   ValidateEqual(result, meta_data.begin() + 1, meta_data.end(),
-                std::forward<Functor>(functor));
+                std::forward<Functor>(functor), description);
   return result;
 }
 
@@ -198,15 +200,15 @@ void MultiBandMsImageSet::ProcessMetaData() {
       GetInitializedMetaData(readers_.begin(), readers_.end());
 
   // These fields are only validated.
-  ExtractField(meta_data, GetBaselines);
-  ExtractField(meta_data, GetObservationTimes);
+  ExtractField(meta_data, GetBaselines, "baselines");
+  ExtractField(meta_data, GetObservationTimes, "timesteps");
 
   // These fields are validated and cached.
-  antennae_ = ExtractField(meta_data, GetAntennae);
-  fields_ = ExtractField(meta_data, GetFields);
-  sequences_ = ExtractField(meta_data, GetSequences);
-  observation_times_per_sequence_ =
-      ExtractField(meta_data, GetObservationTimesPerSequence);
+  antennae_ = ExtractField(meta_data, GetAntennae, "antennas");
+  fields_ = ExtractField(meta_data, GetFields, "fields");
+  sequences_ = ExtractField(meta_data, GetSequences, "sequences");
+  observation_times_per_sequence_ = ExtractField(
+      meta_data, GetObservationTimesPerSequence, "timesteps per sequence");
   std::tie(band_, channels_per_band_) = CombineBands(meta_data);
 }
 
diff --git a/msio/memorybaselinereader.cpp b/msio/memorybaselinereader.cpp
index 05820da5ff93ca948fdba5c35d5b2696f5f8feec..e8ce442e090b276b845ed52eac39d9d59b71df77 100644
--- a/msio/memorybaselinereader.cpp
+++ b/msio/memorybaselinereader.cpp
@@ -202,7 +202,7 @@ void MemoryBaselineReader::readSet(ProgressListener& progress) {
   }
   _areFlagsChanged = false;
 
-  Logger::Debug << "Reading toke " << watch.ToString() << ".\n";
+  Logger::Debug << "Reading took " << watch.ToString() << ".\n";
 }
 
 void MemoryBaselineReader::PerformFlagWriteRequests() {