diff --git a/Framework/WorkflowAlgorithms/src/MuonGroupAsymmetryCalculator.cpp b/Framework/WorkflowAlgorithms/src/MuonGroupAsymmetryCalculator.cpp
index b67d24682b3953be24c753ad2ff7dd961f173906..08486b11b3a7d7561de28fbc114fcf3109a77bc0 100644
--- a/Framework/WorkflowAlgorithms/src/MuonGroupAsymmetryCalculator.cpp
+++ b/Framework/WorkflowAlgorithms/src/MuonGroupAsymmetryCalculator.cpp
@@ -19,6 +19,8 @@ namespace WorkflowAlgorithms {
 * @param summedPeriods :: [input] Vector of period indexes to be summed
 * @param subtractedPeriods :: [input] Vector of period indexes to be subtracted
 * from summed periods
+* @param start is the start time
+* @param end is the end time
 * @param groupIndex :: [input] Workspace index of the group to analyse
  */
 MuonGroupAsymmetryCalculator::MuonGroupAsymmetryCalculator(
diff --git a/MantidQt/MantidWidgets/inc/MantidQtMantidWidgets/MuonFitPropertyBrowser.h b/MantidQt/MantidWidgets/inc/MantidQtMantidWidgets/MuonFitPropertyBrowser.h
index d162d75d9f79697b0663933aeefa9c4c25e59ef1..a9ec6a0ce490f38fd4c8a7257ed5d2f14d436def 100644
--- a/MantidQt/MantidWidgets/inc/MantidQtMantidWidgets/MuonFitPropertyBrowser.h
+++ b/MantidQt/MantidWidgets/inc/MantidQtMantidWidgets/MuonFitPropertyBrowser.h
@@ -132,7 +132,7 @@ private:
   /// new menu option
   QAction *m_fitActiontest;
   /// Create new fit menu
-  QPushButton *MuonFitPropertyBrowser::createMuonFitMenuButton(QWidget *w);
+  QPushButton createMuonFitMenuButton(QWidget *w);
 
   /// Get the registered function names
   void populateFunctionNames() override;
diff --git a/MantidQt/MantidWidgets/src/MuonFitPropertyBrowser.cpp b/MantidQt/MantidWidgets/src/MuonFitPropertyBrowser.cpp
index 96c52d582216b449d988d64e061729882682b7d1..fa850e1e4c4331b383b24223f64082d1df7ea79e 100644
--- a/MantidQt/MantidWidgets/src/MuonFitPropertyBrowser.cpp
+++ b/MantidQt/MantidWidgets/src/MuonFitPropertyBrowser.cpp
@@ -384,7 +384,7 @@ std::vector<double> convertToVec(std::string const &list) {
 }
 /**
 * Creates an instance of Fit algorithm, sets its properties and launches it.
-* @params maxIterations is the maximum number of iterations for the fit
+* @param maxIterations is the maximum number of iterations for the fit
 */
 void MuonFitPropertyBrowser::TFAsymmFit(int maxIterations) {
   const std::string wsName = workspaceName();
@@ -496,7 +496,7 @@ std::vector<double> readNormalization() {
             Mantid::API::AnalysisDataService::Instance().retrieve("__norm__"));
     auto colNorm = table->getColumn("norm");
 
-    for (int j = 0; j < table->rowCount(); j++) {
+    for (size_t j = 0; j < table->rowCount(); j++) {
       norm.push_back((*colNorm)[j]); // record and update norm....
     }
   }