3 files changed, 5 insertions, 5 deletions
diff --git a/prism/templates/src/diagnostic.c.erb b/prism/templates/src/diagnostic.c.erb
index c0ec69652f..ce98dc5acd 100644
--- a/prism/templates/src/diagnostic.c.erb
+++ b/prism/templates/src/diagnostic.c.erb
@@ -249,8 +249,8 @@ static const pm_diagnostic_data_t diagnostic_messages[PM_DIAGNOSTIC_ID_MAX] = {
     [PM_ERR_INVALID_VARIABLE_GLOBAL_3_3]        = { "`%.*s' is not allowed as a global variable name", PM_ERROR_LEVEL_SYNTAX },
     [PM_ERR_INVALID_VARIABLE_GLOBAL]            = { "'%.*s' is not allowed as a global variable name", PM_ERROR_LEVEL_SYNTAX },
     [PM_ERR_INVALID_YIELD]                      = { "Invalid yield", PM_ERROR_LEVEL_SYNTAX },
-    [PM_ERR_IT_NOT_ALLOWED_NUMBERED]            = { "`it` is not allowed when a numbered parameter is already used", PM_ERROR_LEVEL_SYNTAX },
-    [PM_ERR_IT_NOT_ALLOWED_ORDINARY]            = { "`it` is not allowed when an ordinary parameter is defined", PM_ERROR_LEVEL_SYNTAX },
+    [PM_ERR_IT_NOT_ALLOWED_NUMBERED]            = { "'it' is not allowed when a numbered parameter is already used", PM_ERROR_LEVEL_SYNTAX },
+    [PM_ERR_IT_NOT_ALLOWED_ORDINARY]            = { "'it' is not allowed when an ordinary parameter is defined", PM_ERROR_LEVEL_SYNTAX },
     [PM_ERR_LAMBDA_OPEN]                        = { "expected a `do` keyword or a `{` to open the lambda block", PM_ERROR_LEVEL_SYNTAX },
     [PM_ERR_LAMBDA_TERM_BRACE]                  = { "expected a lambda block beginning with `{` to end with `}`", PM_ERROR_LEVEL_SYNTAX },
     [PM_ERR_LAMBDA_TERM_END]                    = { "expected a lambda block beginning with `do` to end with `end`", PM_ERROR_LEVEL_SYNTAX },
diff --git a/proc.c b/proc.c
index fdbec86eba..68f1bfc35c 100644
--- a/proc.c
+++ b/proc.c
@@ -4300,7 +4300,7 @@ proc_ruby2_keywords(VALUE procval)
  *      [1, 2, 3].each { |x| p it }
  *      # syntax error found (SyntaxError)
  *      # [1, 2, 3].each { |x| p it }
- *      #                        ^~ `it` is not allowed when an ordinary parameter is defined
+ *      #                        ^~ 'it' is not allowed when an ordinary parameter is defined
  *
  * But if a local name (variable or method) is available, it would be used:
  *
@@ -4348,7 +4348,7 @@ proc_ruby2_keywords(VALUE procval)
  * Numbered parameters can't be mixed with +it+ either:
  *
  *     [10, 20, 30].map { _1 + it }
- *     # SyntaxError: `it` is not allowed when a numbered parameter is already used
+ *     # SyntaxError: 'it' is not allowed when a numbered parameter is already used
  *
  * To avoid conflicts, naming local variables or method
  * arguments +_1+, +_2+ and so on, causes an error.
diff --git a/test/prism/errors/it_with_ordinary_parameter.txt b/test/prism/errors/it_with_ordinary_parameter.txt
index 0fc34e9cc8..ff9c4276ca 100644
--- a/test/prism/errors/it_with_ordinary_parameter.txt
+++ b/test/prism/errors/it_with_ordinary_parameter.txt
@@ -1,3 +1,3 @@
 proc { || it }
-          ^~ `it` is not allowed when an ordinary parameter is defined
+          ^~ 'it' is not allowed when an ordinary parameter is defined