diff --git a/lib/settings.h b/lib/settings.h
index 77b7bff77..5cb4f3411 100644
--- a/lib/settings.h
+++ b/lib/settings.h
@@ -345,7 +345,7 @@ public:
      *  text mode, e.g. "{file}:{line} {info}" */
     std::string templateLocation;
 
-    /** @brief The maximum time in seconds for the template instantation */
+    /** @brief The maximum time in seconds for the template instantiation */
     std::size_t templateMaxTime;
 
     /** @brief The maximum time in seconds for the typedef simplification */
diff --git a/lib/templatesimplifier.cpp b/lib/templatesimplifier.cpp
index b2960c210..5ad009eda 100644
--- a/lib/templatesimplifier.cpp
+++ b/lib/templatesimplifier.cpp
@@ -3120,7 +3120,7 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
                 ErrorMessage errmsg({std::move(loc)},
                                     emptyString,
                                     Severity::debug,
-                                    "Template instantation maximum time exceeded",
+                                    "Template instantiation maximum time exceeded",
                                     "templateMaxTime",
                                     Certainty::normal);
                 mErrorLogger->reportErr(errmsg);
@@ -3191,7 +3191,7 @@ bool TemplateSimplifier::simplifyTemplateInstantiations(
                 ErrorMessage errmsg({std::move(loc)},
                                     emptyString,
                                     Severity::debug,
-                                    "Template instantation maximum time exceeded",
+                                    "Template instantiation maximum time exceeded",
                                     "templateMaxTime",
                                     Certainty::normal);
                 mErrorLogger->reportErr(errmsg);
diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 234523c26..77ed03f18 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -624,7 +624,7 @@ void Tokenizer::simplifyTypedef()
                 ErrorMessage errmsg({std::move(loc)},
                                     emptyString,
                                     Severity::debug,
-                                    "Typedef simplification instantation maximum time exceeded",
+                                    "Typedef simplification instantiation maximum time exceeded",
                                     "typedefMaxTime",
                                     Certainty::normal);
                 mErrorLogger->reportErr(errmsg);
diff --git a/lib/valueflow.cpp b/lib/valueflow.cpp
index b0f2f22b9..ab2989579 100644
--- a/lib/valueflow.cpp
+++ b/lib/valueflow.cpp
@@ -602,7 +602,7 @@ static void setTokenValue(Token* tok,
         const Token* callParent = findParent(parent, [](const Token* p) {
             return !Token::simpleMatch(p, ",");
         });
-        // Ensure that the comma isnt a function call
+        // Ensure that the comma isn't a function call
         if (!callParent || (!Token::Match(callParent->previous(), "%name%|> (") && !Token::simpleMatch(callParent, "{"))) {
             setTokenValue(parent, std::move(value), settings);
             return;
@@ -5482,7 +5482,7 @@ static void valueFlowForwardConst(Token* start,
                     }
                     return;
                 }
-                // Follow symbolic vaues
+                // Follow symbolic values
                 for (const ValueFlow::Value& v : tok->values()) {
                     if (!v.isSymbolicValue())
                         continue;
@@ -9205,7 +9205,7 @@ static std::vector<ValueFlow::Value> isOutOfBoundsImpl(const ValueFlow::Value& s
         return {};
     if (size.bound == ValueFlow::Value::Bound::Lower)
         return {};
-    // Checking for underflow doesnt mean it could be out of bounds
+    // Checking for underflow doesn't mean it could be out of bounds
     if (indexValue->intvalue == 0)
         return {};
     ValueFlow::Value value = inferCondition(">=", indexTok, indexValue->intvalue);
diff --git a/tools/donate-cpu-server.py b/tools/donate-cpu-server.py
index 18e05ec6e..bb1c0755b 100755
--- a/tools/donate-cpu-server.py
+++ b/tools/donate-cpu-server.py
@@ -1110,7 +1110,7 @@ def read_data(connection, cmd, pos_nl, max_data_size, check_done, cmd_name, time
                 t += 0.2
         connection.close()
     except socket.error as e:
-        print_ts('Socket error occured ({}): {}'.format(cmd_name, e))
+        print_ts('Socket error occurred ({}): {}'.format(cmd_name, e))
         data = None
 
     if (timeout > 0 and t >= timeout):