diff --git a/+bids/+transformers_list/Merge_identical_rows.m b/+bids/+transformers_list/Merge_identical_rows.m
index 0aab8d14..16da3545 100644
--- a/+bids/+transformers_list/Merge_identical_rows.m
+++ b/+bids/+transformers_list/Merge_identical_rows.m
@@ -26,7 +26,7 @@
   %    - If a variable is found, but is empty, it is ignored
   %    - The content of the other columns corresponds to the last row being merged:
   %      this means that the content from other columns but the one specified in will be deleted
-  %      execpt for the last one
+  %      except for the last one
   %
   % CODE EXAMPLE
   % ------------
diff --git a/+bids/transformers.m b/+bids/transformers.m
index e487e00c..c04c88f2 100644
--- a/+bids/transformers.m
+++ b/+bids/transformers.m
@@ -39,10 +39,10 @@
 
   % (C) Copyright 2022 BIDS-MATLAB developers
 
-  SUPPORTED_TRANSFORMERS = lower(cat(1, basic_transfomers, ...
-                                     munge_transfomers, ...
-                                     logical_transfomers, ...
-                                     compute_transfomers));
+  SUPPORTED_TRANSFORMERS = lower(cat(1, basic_transformers, ...
+                                     munge_transformers, ...
+                                     logical_transformers, ...
+                                     compute_transformers));
 
   p = inputParser;
 
@@ -98,16 +98,16 @@
 
   switch transformerName
 
-    case lower(basic_transfomers)
+    case lower(basic_transformers)
       output = bids.transformers_list.Basic(trans, data);
 
-    case lower(logical_transfomers)
+    case lower(logical_transformers)
       output = bids.transformers_list.Logical(trans, data);
 
-    case lower(munge_transfomers)
+    case lower(munge_transformers)
       output = apply_munge(trans, data);
 
-    case lower(compute_transfomers)
+    case lower(compute_transformers)
       output = apply_compute(trans, data);
 
     otherwise
@@ -211,7 +211,7 @@ function not_implemented(name)
                                false);
 end
 
-function BASIC = basic_transfomers()
+function BASIC = basic_transformers()
   BASIC = {'Add'
            'Divide'
            'Multiply'
@@ -219,13 +219,13 @@ function not_implemented(name)
            'Subtract'};
 end
 
-function LOGICAL = logical_transfomers()
+function LOGICAL = logical_transformers()
   LOGICAL = {'And'
              'Or'
              'Not'};
 end
 
-function MUNGE = munge_transfomers()
+function MUNGE = munge_transformers()
   MUNGE = {'Assign'
            'Concatenate'
            'Constant'
@@ -242,7 +242,7 @@ function not_implemented(name)
            'Split'};
 end
 
-function COMPUTE = compute_transfomers()
+function COMPUTE = compute_transformers()
   COMPUTE = {'Mean'
              'Product'
              'Scale'
diff --git a/demos/spm/facerep/code/convert_facerep_ds.m b/demos/spm/facerep/code/convert_facerep_ds.m
index e3d2349e..fb87a39b 100644
--- a/demos/spm/facerep/code/convert_facerep_ds.m
+++ b/demos/spm/facerep/code/convert_facerep_ds.m
@@ -302,7 +302,7 @@ function create_readme(output_dir)
          '- 2 presentations of 26 Famous and 26 Nonfamous Greyscale photographs, '
          '  for 0.5s, randomly intermixed, for fame judgment task '
          '  (one of two right finger key presses).'
-         '- Parameteric factor "lag" = number of faces intervening '
+         '- Parametric factor "lag" = number of faces intervening '
          '  between repetition of a specific face + 1'
          '- Minimal SOA=4.5s, with probability 2/3 (ie 1/3 null events)'
          ''
diff --git a/tests/test_transformers/test_transformers_side_functions.m b/tests/test_transformers/test_transformers_side_functions.m
index e39ee5d9..407b19df 100644
--- a/tests/test_transformers/test_transformers_side_functions.m
+++ b/tests/test_transformers/test_transformers_side_functions.m
@@ -53,7 +53,7 @@ function test_get_input()
 function status = test_is_run_level()
 
   data = struct('onset', [], 'duration', [], 'foo', 'bar');
-  assert(bids.transfomers.is_run_level(data));
+  assert(bids.transformers.is_run_level(data));
 
 end