diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index e62680c455..f05a422560 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -5,7 +5,7 @@
       - feature proposals,
       - and documentation requests
 
-    Having all those informations will allow us to know exactly
+    Having all those information will allow us to know exactly
     what you expect and answer you faster and precisely (answer
     that matches your Carbon version, PHP version and usage).
     
@@ -45,7 +45,7 @@ PHP version: **PUT HERE YOUR PHP VERSION**
     You can use the [Options] button to change the version
     then when you get the bug with this editor, you can use
     the [Export] button, copy the link of the opened tab,
-    then paste it in the issue. Then we can immediatly get
+    then paste it in the issue. Then we can immediately get
     your issue.
 -->
 
diff --git a/src/Carbon/CarbonPeriod.php b/src/Carbon/CarbonPeriod.php
index b0e7e8b10d..d12a986971 100644
--- a/src/Carbon/CarbonPeriod.php
+++ b/src/Carbon/CarbonPeriod.php
@@ -526,7 +526,7 @@ protected static function parseIso8601($iso)
     }
 
     /**
-     * Add missing parts of the target date from the soure date.
+     * Add missing parts of the target date from the source date.
      *
      * @param string $source
      * @param string $target
@@ -2034,7 +2034,7 @@ public function map(callable $callback)
 
     /**
      * Determines if the instance is equal to another.
-     * Warning: if options differ, instances wil never be equal.
+     * Warning: if options differ, instances will never be equal.
      *
      * @param mixed $period
      *
@@ -2049,7 +2049,7 @@ public function eq($period): bool
 
     /**
      * Determines if the instance is equal to another.
-     * Warning: if options differ, instances wil never be equal.
+     * Warning: if options differ, instances will never be equal.
      *
      * @param mixed $period
      *
@@ -2072,7 +2072,7 @@ public function equalTo($period): bool
 
     /**
      * Determines if the instance is not equal to another.
-     * Warning: if options differ, instances wil never be equal.
+     * Warning: if options differ, instances will never be equal.
      *
      * @param mixed $period
      *
@@ -2087,7 +2087,7 @@ public function ne($period): bool
 
     /**
      * Determines if the instance is not equal to another.
-     * Warning: if options differ, instances wil never be equal.
+     * Warning: if options differ, instances will never be equal.
      *
      * @param mixed $period
      *
diff --git a/tests/Carbon/CreateFromTimeTest.php b/tests/Carbon/CreateFromTimeTest.php
index e345166fb7..f7893383da 100644
--- a/tests/Carbon/CreateFromTimeTest.php
+++ b/tests/Carbon/CreateFromTimeTest.php
@@ -135,7 +135,7 @@ public function testCreateFromTimeWithTimeZoneOnNow()
         Carbon::setTestNow($test);
 
         // tested without microseconds
-        // because they appear withing calls to Carbon
+        // because they appear within calls to Carbon
         $this->assertSame($now->format('c'), $dt->format('c'));
     }
 }
diff --git a/tests/Carbon/MacroTest.php b/tests/Carbon/MacroTest.php
index 5eb4e6ab99..8990c0a485 100644
--- a/tests/Carbon/MacroTest.php
+++ b/tests/Carbon/MacroTest.php
@@ -90,7 +90,7 @@ public function testCarbonIsMacroableWhenCalledStatically()
         $this->assertSame('05/04', Carbon::easterDate(2015)->format('d/m'));
     }
 
-    public function testCarbonIsMacroableWhithNonClosureCallables()
+    public function testCarbonIsMacroableWithNonClosureCallables()
     {
         Carbon::macro('lower', 'strtolower');
 
diff --git a/tests/Carbon/StringsTest.php b/tests/Carbon/StringsTest.php
index 688e6669e2..343eb289d8 100644
--- a/tests/Carbon/StringsTest.php
+++ b/tests/Carbon/StringsTest.php
@@ -170,7 +170,7 @@ public function testToLocalizedFormattedDeprecation()
         });
     }
 
-    public function testToLocalizedFormattedDateStringWhenUtf8IsNedded()
+    public function testToLocalizedFormattedDateStringWhenUtf8IsNeeded()
     {
         Carbon::useStrictMode(false);
 
diff --git a/tests/CarbonImmutable/CreateFromTimeTest.php b/tests/CarbonImmutable/CreateFromTimeTest.php
index 631c93510f..d372f03387 100644
--- a/tests/CarbonImmutable/CreateFromTimeTest.php
+++ b/tests/CarbonImmutable/CreateFromTimeTest.php
@@ -107,7 +107,7 @@ public function testCreateFromTime()
         Carbon::setTestNow($test);
 
         // tested without microseconds
-        // because they appear withing calls to Carbon
+        // because they appear within calls to Carbon
         $this->assertSame($now->format('c'), $dt->format('c'));
     }
 }
diff --git a/tests/CarbonImmutable/MacroTest.php b/tests/CarbonImmutable/MacroTest.php
index e331c37726..17a83aa6c2 100644
--- a/tests/CarbonImmutable/MacroTest.php
+++ b/tests/CarbonImmutable/MacroTest.php
@@ -82,7 +82,7 @@ public function testCarbonIsMacroableWhenCalledStatically()
         $this->assertSame('05/04', Carbon::easterDate(2015)->format('d/m'));
     }
 
-    public function testCarbonIsMacroableWhithNonClosureCallables()
+    public function testCarbonIsMacroableWithNonClosureCallables()
     {
         Carbon::macro('lower2', 'strtolower');
 
diff --git a/tests/CarbonImmutable/StringsTest.php b/tests/CarbonImmutable/StringsTest.php
index 644dff2fde..985f6b22de 100644
--- a/tests/CarbonImmutable/StringsTest.php
+++ b/tests/CarbonImmutable/StringsTest.php
@@ -103,7 +103,7 @@ public function testToLocalizedFormattedDateString()
         });
     }
 
-    public function testToLocalizedFormattedDateStringWhenUtf8IsNedded()
+    public function testToLocalizedFormattedDateStringWhenUtf8IsNeeded()
     {
         Carbon::useStrictMode(false);
 
diff --git a/tests/CarbonInterval/MacroTest.php b/tests/CarbonInterval/MacroTest.php
index eb5d444a2b..2a58ce052f 100644
--- a/tests/CarbonInterval/MacroTest.php
+++ b/tests/CarbonInterval/MacroTest.php
@@ -108,7 +108,7 @@ public function testCarbonIsMacroableWhenCalledStatically()
         $this->assertSame('3 months', CarbonInterval::quarterIfEven(-6)->forHumans());
     }
 
-    public function testCarbonIsMacroableWhithNonClosureCallables()
+    public function testCarbonIsMacroableWithNonClosureCallables()
     {
         CarbonInterval::macro('lower', 'strtolower');
 
diff --git a/tests/CarbonPeriod/MacroTest.php b/tests/CarbonPeriod/MacroTest.php
index dc0ce1dfe4..34453468a0 100644
--- a/tests/CarbonPeriod/MacroTest.php
+++ b/tests/CarbonPeriod/MacroTest.php
@@ -205,7 +205,7 @@ public function testOverrideAlias()
         $this->assertSame('foo', $periodClass::recurrences());
     }
 
-    public function testInstatiateViaStaticMacroCall()
+    public function testInstantiateViaStaticMacroCall()
     {
         $periodClass = $this->periodClass;
         $periodClass::macro('fromTomorrow', function () {