diff --git a/lib/code_update_utils.robot b/lib/code_update_utils.robot
index cbbd7a5..8b52188 100644
--- a/lib/code_update_utils.robot
+++ b/lib/code_update_utils.robot
@@ -211,7 +211,7 @@
     Should Be Equal As Strings  &{software_state}[Activation]  ${ACTIVE}
 
     # Uploaded and activated image should have priority set to 0. Due to timing
-    # contention, it may take upto 10 seconds to complete updating priority.
+    # contention, it may take up to 10 seconds to complete updating priority.
     Wait Until Keyword Succeeds  10 sec  5 sec
     ...  Check Software Object Attribute  ${version_id}  Priority  ${0}
 
@@ -430,7 +430,7 @@
     [Documentation]  List all the installed images.
     [Arguments]  ${image_type}
 
-    # Desciption of argument(s):
+    # Description of argument(s):
     # image_type  Either "BMC" or "PNOR".
 
     # List the installed images.
diff --git a/lib/data_proc.tcl b/lib/data_proc.tcl
index 0034c77..0e88ab7 100755
--- a/lib/data_proc.tcl
+++ b/lib/data_proc.tcl
@@ -182,7 +182,7 @@
 
   # Read properties files and return key/value pairs as a list.
 
-  # Description of arguement(s):
+  # Description of argument(s):
   # parm_file_path                  The path to the properties file.
 
   # The properties file must have the following format:
@@ -247,7 +247,7 @@
   # and put the resulting array in target_arr. If this function fails for any
   # reason, it will return non-zero
 
-  # Description of arguement(s):
+  # Description of argument(s):
   # source_arr                      The source array that is to be converted.
   # target_arr                      The target array that results from the
   #                                 conversion.
@@ -325,7 +325,7 @@
   # Call upon the shell to expand the string in "buffer", i.e. the shell will
   # make substitutions for environment variables and glob expressions.
 
-  # Description of arguement(s):
+  # Description of argument(s):
   # buffer                          The buffer to be expanded.
 
   # This is done to keep echo from interpreting all of the double quotes away.
@@ -347,7 +347,7 @@
   # Add the add string to the end of the buffer if and only if it doesn't
   # already end with the add_string.
 
-  # Description of arguement(s):
+  # Description of argument(s):
   # buffer                          The buffer to be modified.
   # add_string                      The string to conditionally append to the
   #                                 buffer.