diff --git a/docs/UsersManual.html b/docs/UsersManual.html
index 629d9b2574..69f916c94e 100644
--- a/docs/UsersManual.html
+++ b/docs/UsersManual.html
@@ -757,7 +757,7 @@ treated as a system header.</p>
 
 <p>While not strictly part of the compiler, the diagnostics from Clang's <a
 href="http://clang-analyzer.llvm.org">static analyzer</a> can also be influenced
-by the user via changes to the source code. See the avaliable 
+by the user via changes to the source code. See the available 
 <a href = "http://clang-analyzer.llvm.org/annotations.html" >annotations</a> and 
 the analyzer's 
 <a href= "http://clang-analyzer.llvm.org/faq.html#exclude_code" >FAQ page</a> for 
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index bdf6f60df3..7fac1c6ec4 100644
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -9332,7 +9332,7 @@ bool Sema::ResolveAndFixSingleFunctionTemplateSpecialization(
       return true;
     }
 
-    // Fix the expresion to refer to 'fn'.
+    // Fix the expression to refer to 'fn'.
     SingleFunctionExpression =
       Owned(FixOverloadedFunctionReference(SrcExpr.take(), found, fn));
 
diff --git a/test/SemaCXX/warn-thread-safety-analysis.cpp b/test/SemaCXX/warn-thread-safety-analysis.cpp
index 9523d43b9f..f7e4586983 100644
--- a/test/SemaCXX/warn-thread-safety-analysis.cpp
+++ b/test/SemaCXX/warn-thread-safety-analysis.cpp
@@ -1702,7 +1702,7 @@ struct TestTryLock {
     bool b2 = b;
     if (cond)
       b = true;
-    if (b) {    // b should be unknown at this point, becuase of the join point
+    if (b) {    // b should be unknown at this point, because of the join point
       a = 8;    // expected-warning {{writing variable 'a' requires locking 'mu' exclusively}}
     }
     if (b2) {   // b2 should be known at this point.
diff --git a/www/analyzer/installation.html b/www/analyzer/installation.html
index ebccd071cd..2eb7937ee6 100644
--- a/www/analyzer/installation.html
+++ b/www/analyzer/installation.html
@@ -93,7 +93,7 @@ source code</a>.<p>
 <p>For example, if you built a <em>Debug+Asserts</em> build of LLVM/Clang (the
 default), the resultant <tt>clang</tt> binary will be in <tt>$(OBJDIR)/Debug+Asserts/bin</tt>
 (where <tt>$(OBJDIR)</tt> is often the same as the root source directory).  You
-can also do <tt>make install</tt> to install the LLVM/Clang libaries and
+can also do <tt>make install</tt> to install the LLVM/Clang libraries and
 binaries to the installation directory of your choice (specified when you run
 <tt>configure</tt>).</p></li>