diff --git a/src/Mod/Fem/Gui/ViewProviderFemConstraintTransform.cpp b/src/Mod/Fem/Gui/ViewProviderFemConstraintTransform.cpp
index 0db90be638..b30c42b2d4 100644
--- a/src/Mod/Fem/Gui/ViewProviderFemConstraintTransform.cpp
+++ b/src/Mod/Fem/Gui/ViewProviderFemConstraintTransform.cpp
@@ -109,7 +109,7 @@ bool ViewProviderFemConstraintTransform::setEdit(int ModNum)
 #define RADIUSAXIS (0.8)
 #define ARROWLENGTH (3)
 #define ARROWHEADRADIUS (ARROWLENGTH/3)
-#define LENGHTDISC (0.25)
+#define LENGTHDISC (0.25)
 #define RADIUSDISC (0.8)
 
 void ViewProviderFemConstraintTransform::updateData(const App::Property* prop)
diff --git a/src/Mod/Fem/femsolver/calculix/writer.py b/src/Mod/Fem/femsolver/calculix/writer.py
index 0158e8815e..798ae24491 100644
--- a/src/Mod/Fem/femsolver/calculix/writer.py
+++ b/src/Mod/Fem/femsolver/calculix/writer.py
@@ -1330,19 +1330,19 @@ def get_ccx_elset_name_standard(names):
         if len(ccx_elset_name) < 81:
             return ccx_elset_name
         else:
-            error = 'FEM: Touble in ccx input file, because a elset name is longer than 80 character!' + ' ' + ccx_elset_name + '\n'
+            error = 'FEM: Trouble in ccx input file, because an elset name is longer than 80 character!' + ' ' + ccx_elset_name + '\n'
             raise Exception(error)
 
 
 def get_ccx_elset_name_short(names):
-    # restricted max lenght = 20 (beam elsets)
+    # restricted max length = 20 (beam elsets)
     ccx_elset_name = ''
     for name in names:
         ccx_elset_name += name['short']
     if len(ccx_elset_name) < 21:
         return ccx_elset_name
     else:
-        error = 'FEM: Touble in ccx input file, because a beam elset name is longer than 20 character!' + ' ' + ccx_elset_name + '\n'
+        error = 'FEM: Trouble in ccx input file, because a beam elset name is longer than 20 character!' + ' ' + ccx_elset_name + '\n'
         raise Exception(error)