diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index 59a0e31..be84bde 100644
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -1459,7 +1459,7 @@
 
     /* TODO: handle grouped decorations */
     /* TODO: handle index=1 dual source outputs from FS -- two vars will
-     * have the same location, and we DONT want to clobber. */
+     * have the same location, and we DON'T want to clobber. */
 
     /* find the end of the entrypoint's name string. additional zero bytes follow the actual null
        terminator, to fill out the rest of the word - so we only need to look at the last byte in
@@ -1856,7 +1856,7 @@
 
         auto insn = src->get_def(id);
         if (insn == src->end()) {
-            /* id is something we didnt collect in build_def_index. that's OK -- we'll stumble
+            /* id is something we didn't collect in build_def_index. that's OK -- we'll stumble
              * across all kinds of things here that we may not care about. */
             continue;
         }
@@ -9785,7 +9785,7 @@
                    DRAWSTATE_INVALID_SECONDARY_COMMAND_BUFFER, "DS",
                    "vkCmdExecuteCommands() called w/ invalid Cmd Buffer %p which has a render pass %" PRIx64
                    " that is not compatible with the current render pass %" PRIx64 "."
-                   "Attachment %" PRIu32 " is not compatable with %" PRIu32 ". %s",
+                   "Attachment %" PRIu32 " is not compatible with %" PRIu32 ". %s",
                    (void *)secondaryBuffer, (uint64_t)(secondaryPass), (uint64_t)(primaryPass), primaryAttach, secondaryAttach,
                    msg);
 }
diff --git a/layers/parameter_validation_utils.h b/layers/parameter_validation_utils.h
index e3489f2..7003ccd 100644
--- a/layers/parameter_validation_utils.h
+++ b/layers/parameter_validation_utils.h
@@ -538,7 +538,7 @@
                                                        "sharing an image";
         case VK_ERROR_VALIDATION_FAILED_EXT:    return "API validation has detected an invalid use of the API";
         case VK_ERROR_INVALID_SHADER_NV:        return "one or more shaders failed to compile or link";
-        default:                                return "an error has occured";
+        default:                                return "an error has occurred";
     };
     // clang-format on
 }
@@ -559,7 +559,7 @@
         if (resultName == UnsupportedResultString) {
             // Unrecognized result code
             log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
-                    ParameterValidationName, "%s: returned a result code indicating that an error has occured", apiName);
+                    ParameterValidationName, "%s: returned a result code indicating that an error has occurred", apiName);
         } else {
             std::string resultDesc = get_result_description(result);
             log_msg(report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT, (VkDebugReportObjectTypeEXT)0, 0, __LINE__, 1,
diff --git a/layers/vk_validation_layer_details.md b/layers/vk_validation_layer_details.md
index 5823e73..c5481a8 100644
--- a/layers/vk_validation_layer_details.md
+++ b/layers/vk_validation_layer_details.md
@@ -56,7 +56,7 @@
 | Descriptor Pool empty | Attempt to allocate descriptor type from descriptor pool when no more of that type are available to be allocated. | DESCRIPTOR_POOL_EMPTY | vkAllocateDescriptorSets | AllocDescriptorFromEmptyPool | NA |
 | Free from NON_FREE Pool | It's invalid to call vkFreeDescriptorSets() on Sets that were allocated from a Pool created with NON_FREE usage. | CANT_FREE_FROM_NON_FREE_POOL | vkFreeDescriptorSets | None | NA |
 | DS Update Index | DS update binding too large for layout binding count. | INVALID_UPDATE_INDEX | vkUpdateDescriptorSets | InvalidDSUpdateIndex CopyDescriptorUpdateErrors | NA |
-| DS Update Type | Verifies that structs in DS Update tree are properly created, currenly valid, and of the right type | INVALID_UPDATE_STRUCT | vkUpdateDescriptorSets | InvalidDSUpdateStruct | NA |
+| DS Update Type | Verifies that structs in DS Update tree are properly created, currently valid, and of the right type | INVALID_UPDATE_STRUCT | vkUpdateDescriptorSets | InvalidDSUpdateStruct | NA |
 | MSAA Sample Count | Verifies that Pipeline, RenderPass, and Subpass sample counts are consistent | NUM_SAMPLES_MISMATCH | vkCmdBindPipeline vkCmdBeginRenderPass vkCmdNextSubpass | NumSamplesMismatch | NA |
 | Dynamic Viewport State Binding | Verify that viewport dynamic state bound to Cmd Buffer at Draw time | VIEWPORT_NOT_BOUND |vkCmdDraw vkCmdDrawIndexed vkCmdDrawIndirect vkCmdDrawIndexedIndirect | ViewportStateNotBound | NA |
 | Dynamic Scissor State Binding | Verify that scissor dynamic state bound to Cmd Buffer at Draw time | SCISSOR_NOT_BOUND |vkCmdDraw vkCmdDrawIndexed vkCmdDrawIndirect vkCmdDrawIndexedIndirect | ScissorStateNotBound | NA |