diff --git a/packages/mermaid/src/docs/config/usage.md b/packages/mermaid/src/docs/config/usage.md
index 187f3f89c..3eac4ad6f 100644
--- a/packages/mermaid/src/docs/config/usage.md
+++ b/packages/mermaid/src/docs/config/usage.md
@@ -347,7 +347,7 @@ This is the preferred way of configuring mermaid.
 
 ## Using the mermaid object
 
-Is it possible to set some configuration via the mermaid object. The two parameters that are supported using this
+It is possible to set some configuration via the mermaid object. The two parameters that are supported using this
 approach are:
 
 - mermaid.startOnLoad
diff --git a/packages/mermaid/src/docs/syntax/c4c.md b/packages/mermaid/src/docs/syntax/c4c.md
index f9850f2cd..78528f7b9 100644
--- a/packages/mermaid/src/docs/syntax/c4c.md
+++ b/packages/mermaid/src/docs/syntax/c4c.md
@@ -318,7 +318,7 @@ UpdateRelStyle(customerA, bankA, $offsetY="60")
         Container(mobile, "Mobile App", "Xamarin", "Provides a limited subset of the Internet Banking functionality to customers via their mobile device.")
     }
 
-    Deployment_Node(comp, "Customer's computer", "Mircosoft Windows or Apple macOS"){
+    Deployment_Node(comp, "Customer's computer", "Microsoft Windows or Apple macOS"){
         Deployment_Node(browser, "Web Browser", "Google Chrome, Mozilla Firefox,<br/> Apple Safari or Microsoft Edge"){
             Container(spa, "Single Page Application", "JavaScript and Angular", "Provides all of the Internet Banking functionality to customers via their web browser.")
         }
diff --git a/packages/mermaid/src/docs/syntax/classDiagram.md b/packages/mermaid/src/docs/syntax/classDiagram.md
index 20bdd657f..b827d62b1 100644
--- a/packages/mermaid/src/docs/syntax/classDiagram.md
+++ b/packages/mermaid/src/docs/syntax/classDiagram.md
@@ -379,7 +379,7 @@ click className href "url" "tooltip"
 
 ## Notes
 
-It is possible to add notes on digram using `note "line1\nline2"` or note for class using `note for class "line1\nline2"`
+It is possible to add notes on diagram using `note "line1\nline2"` or note for class using `note for class "line1\nline2"`
 
 ### Examples
 
diff --git a/packages/mermaid/src/docs/syntax/flowchart.md b/packages/mermaid/src/docs/syntax/flowchart.md
index 25252e54d..a6b3e9a04 100644
--- a/packages/mermaid/src/docs/syntax/flowchart.md
+++ b/packages/mermaid/src/docs/syntax/flowchart.md
@@ -665,7 +665,7 @@ flowchart LR
 
 ## Configuration...
 
-Is it possible to adjust the width of the rendered flowchart.
+It is possible to adjust the width of the rendered flowchart.
 
 This is done by defining **mermaid.flowchartConfig** or by the CLI to use a JSON file with the configuration. How to use the CLI is described in the mermaidCLI page.
 mermaid.flowchartConfig can be set to a JSON string with config parameters or the corresponding object.
diff --git a/packages/mermaid/src/docs/syntax/mindmap.md b/packages/mermaid/src/docs/syntax/mindmap.md
index af7a3df85..bd73a76b7 100644
--- a/packages/mermaid/src/docs/syntax/mindmap.md
+++ b/packages/mermaid/src/docs/syntax/mindmap.md
@@ -15,7 +15,7 @@ mindmap
       Popularisation
         British popular psychology author Tony Buzan
     Research
-      On effectivness<br/>and eatures
+      On effectiveness<br/>and features
       On Automatic creation
         Uses
             Creative techniques
diff --git a/packages/mermaid/src/docs/syntax/pie.md b/packages/mermaid/src/docs/syntax/pie.md
index 4e14efce1..2fe8c3e54 100644
--- a/packages/mermaid/src/docs/syntax/pie.md
+++ b/packages/mermaid/src/docs/syntax/pie.md
@@ -22,7 +22,7 @@ Drawing a pie chart is really simple in mermaid.
 - Followed by dataSet. Pie slices will be ordered clockwise in the same order as the labels.
   - `label` for a section in the pie diagram within `" "` quotes.
   - Followed by `:` colon as separator
-  - Followed by `positive numeric value` (supported upto two decimal places)
+  - Followed by `positive numeric value` (supported up to two decimal places)
 
 [pie] [showData] (OPTIONAL)
 [title] [titlevalue] (OPTIONAL)
diff --git a/packages/mermaid/src/docs/syntax/sequenceDiagram.md b/packages/mermaid/src/docs/syntax/sequenceDiagram.md
index beb417ee2..9c28883c9 100644
--- a/packages/mermaid/src/docs/syntax/sequenceDiagram.md
+++ b/packages/mermaid/src/docs/syntax/sequenceDiagram.md
@@ -534,7 +534,7 @@ text.actor {
 
 ## Configuration
 
-Is it possible to adjust the margins for rendering the sequence diagram.
+It is possible to adjust the margins for rendering the sequence diagram.
 
 This is done by defining `mermaid.sequenceConfig` or by the CLI to use a json file with the configuration.
 How to use the CLI is described in the [mermaidCLI](../config/mermaidCLI.md) page.