diff --git a/OpenSim/Common/FileAdapter.h b/OpenSim/Common/FileAdapter.h
index 4528a33480..92c0834bbb 100644
--- a/OpenSim/Common/FileAdapter.h
+++ b/OpenSim/Common/FileAdapter.h
@@ -93,7 +93,7 @@ class UnexpectedColumnLabel : public IOError {
                           const std::string& expected,
                           const std::string& received) :
         IOError(file, line, func) {
-        std::string msg = "Error reading column Labels in file '" + filename;
+        std::string msg = "Error reading column labels in file '" + filename;
         msg += "'. Unexpected column label. ";
         msg += "Expected = " + expected + ". ";
         msg += "Received = " + received + ". ";
diff --git a/OpenSim/Common/TRCFileAdapter.h b/OpenSim/Common/TRCFileAdapter.h
index a665d2bb8a..e236dabc42 100644
--- a/OpenSim/Common/TRCFileAdapter.h
+++ b/OpenSim/Common/TRCFileAdapter.h
@@ -122,7 +122,7 @@ class IncorrectNumColumnLabels : public IOError {
                              size_t expected,
                              size_t received) :
         IOError(file, line, func) {
-        std::string msg = "Error reading column Labels in file '" + filename;
+        std::string msg = "Error reading column labels in file '" + filename;
         msg += "'. Unexpected number of column labels. ";
         msg += "Expected = " + std::to_string(expected) + ". ";
         msg += "Recieved = " + std::to_string(received) + ".";