diff --git a/lib/astutils.cpp b/lib/astutils.cpp
index 65b0512e0..49bd15e82 100644
--- a/lib/astutils.cpp
+++ b/lib/astutils.cpp
@@ -1663,7 +1663,7 @@ Token* findVariableChanged(Token *start, const Token *end, int indirect, const n
             // Is aliased function call
             if (Token::Match(tok, "%var% (") && std::any_of(tok->values().begin(), tok->values().end(), std::mem_fn(&ValueFlow::Value::isLifetimeValue))) {
                 bool aliased = false;
-                // If we cant find the expression then assume it was modified
+                // If we can't find the expression then assume it was modified
                 if (!getExprTok())
                     return tok;
                 visitAstNodes(getExprTok(), [&](const Token* childTok) {
diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 76d8905f0..5ba99c6f5 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -8098,7 +8098,7 @@ bool Tokenizer::simplifyRedundantParentheses()
             continue;
         }
 
-        // Do not simplify if there is comma inside parantheses..
+        // Do not simplify if there is comma inside parentheses..
         if (Token::Match(tok->previous(), "%op% (") || Token::Match(tok->link(), ") %op%")) {
             bool innerComma = false;
             for (const Token *inner = tok->link()->previous(); inner != tok; inner = inner->previous()) {
diff --git a/lib/valueflow.cpp b/lib/valueflow.cpp
index 2575319a4..951636ae7 100644
--- a/lib/valueflow.cpp
+++ b/lib/valueflow.cpp
@@ -5978,7 +5978,7 @@ struct ContainerVariableForwardAnalyzer : VariableForwardAnalyzer {
 
     virtual Action isModified(const Token* tok) const OVERRIDE {
         Action read = Action::Read;
-        // An iterator wont change the container size
+        // An iterator won't change the container size
         if (astIsIterator(tok))
             return read;
         if (Token::Match(tok->astParent(), "%assign%") && astIsLHS(tok))