diff --git a/require-ess/tools/iocsh_functions.bash b/require-ess/tools/iocsh_functions.bash
index 0786bfcce9f3d62183728d5f4beef41a4ff32a69..956c6ad838ee5ff04b653fa4468ddc00b07bd283 100644
--- a/require-ess/tools/iocsh_functions.bash
+++ b/require-ess/tools/iocsh_functions.bash
@@ -45,7 +45,7 @@ function read_file_get_string {
 # First  Two : 00 (EPICS VERSION)
 # Second Two : 00 (EPICS_REVISION)
 # Third  Two : 00 (EPICS_MODIFICATION)
-# Fouth  Two : 00 (EPICS_PATCH_LEVEL)
+# Fourth Two : 00 (EPICS_PATCH_LEVEL)
 
 function basecode_generator() { #@ Generator BASECODE
   #@ USAGE: BASECODE=$(basecode_generator)
@@ -160,8 +160,8 @@ function printIocEnv() {
 # Ctrl+c : OK
 # exit   : OK
 # kill softioc process : OK
-# kill main precess : Enter twice in terminal,
-#                     close softIoc, but STATUP file is remained.
+# kill main process : Enter twice in terminal,
+#                     close softIoc, but STARTUP file is remained.
 #
 
 function softIoc_end() {
@@ -380,7 +380,7 @@ function loadFiles() {
 
             # Search for any instance of iocInit at the start of the line.
             # If found, do not add the iocInit to the startup script. Any
-            # other occurence of iocInit (e.g. in comments) is not matched
+            # other occurrence of iocInit (e.g. in comments) is not matched
             # and the script will add an active iocInit.
             if grep -q "^\s*iocInit\b" "$file"; then
               init=NO
@@ -426,7 +426,7 @@ function help() {
     printf "  -l 'cell path'   Run Ioc with a cell path.\n"
     printf "  -s 'prog m=v'    Sequencer program (and arguments), run with 'seq'.\n"
     printf "                   This forces an 'iocInit' before running the program.\n"
-    printf "  -r module[,ver]  Modue (optionally with version) loaded via 'require'.\n"
+    printf "  -r module[,ver]  Module (optionally with version) loaded via 'require'.\n"
     printf "  -dg              Run with debugger gdb.\n"
     printf "  -dv              Run with valgrind.\n"
     printf "  -n               Run with 'nice --10' (requires sudo).\n"