diff --git a/llvm/docs/XRay.rst b/llvm/docs/XRay.rst
--- a/llvm/docs/XRay.rst
+++ b/llvm/docs/XRay.rst
@@ -26,7 +26,7 @@
 
 - Compiler-inserted instrumentation points.
 - A runtime library for enabling/disabling tracing at runtime.
-- A suite of tools for analysing the traces.
+- A suite of tools for analyzing the traces.
 
   **NOTE:** As of July 25, 2018 , XRay is only available for the following
   architectures running Linux: x86_64, arm7 (no thumb), aarch64, powerpc64le,
@@ -47,7 +47,7 @@
 - Instrumenting your C/C++/Objective-C/Objective-C++ application.
 - Generating LLVM IR with the correct function attributes.
 
-The rest of this section covers these main ways and later on how to customise
+The rest of this section covers these main ways and later on how to customize
 what XRay does in an XRay-instrumented binary.
 
 Instrumenting your C/C++/Objective-C Application
@@ -316,7 +316,7 @@
 
 XRay supports several different instrumentation points including ``function-entry``,
 ``function-exit``, ``custom``, and ``typed`` points. These can be enabled individually
-using the ``-fxray-instrumentaton-bundle=`` flag. For example if you only wanted to
+using the ``-fxray-instrumentation-bundle=`` flag. For example if you only wanted to
 instrument function entry and custom points you could specify:
 
 ::
diff --git a/llvm/docs/XRayExample.rst b/llvm/docs/XRayExample.rst
--- a/llvm/docs/XRayExample.rst
+++ b/llvm/docs/XRayExample.rst
@@ -63,7 +63,7 @@
   $ XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic verbosity=1" ./bin/llc input.ll
   ==69819==XRay: Log file in 'xray-log.llc.m35qPB'
 
-At this point we now have an XRay trace we can start analysing.
+At this point we now have an XRay trace we can start analyzing.
 
 The ``llvm-xray`` Tool
 ----------------------
@@ -319,7 +319,7 @@
   $ XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic" ./sample
 
 We can then explore the graph rendering of the trace generated by this sample
-application. We assume you have the graphviz toosl available in your system,
+application. We assume you have the graphviz tools available in your system,
 including both ``unflatten`` and ``dot``. If you prefer rendering or exploring
 the graph using another tool, then that should be feasible as well. ``llvm-xray
 graph`` will create DOT format graphs which should be usable in most graph