docs: small fixes (#178)

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# Content
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# Please check the following before marking your PR as ready for review

- [ ] I have added tests for my changes
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---------

Co-authored-by: codegen-bot <team+codegenbot@codegen.sh>

Author: jayhack

docs/blog/act-via-code.mdx

@@ -2,7 +2,7 @@
 title: "Act via Code"
 icon: "code"
 iconType: "solid"
-description: "The path to fully-automated software engineering"
+description: "Giving agents a more expressive way to act"
 ---
 
 <Frame caption="Voyager (2023) solved agentic tasks with code execution">

docs/building-with-codegen/files-and-directories.mdx

@@ -20,7 +20,7 @@ Codegen provides three primary abstractions for working with your codebase's fil
 
 You typically access files from the [codebase](/api-reference/core/Codebase) object with two APIs:
 
-- [codebase.get_file(...)](/api-reference/core/Codebase#get_file) - Get a file by its path
+- [codebase.get_file(...)](/api-reference/core/Codebase#get-file) - Get a file by its path
 - [codebase.files](/api-reference/core/Codebase#files) - Enables iteration over all files in the codebase
 
 ```python

docs/introduction/overview.mdx

@@ -67,8 +67,9 @@ pip install codegen
 
 ## What can I do with Codegen?
 
-Codegen enables you to programmatically manipulate code at scale. Here's a visualization of a real-world codebase's function call graph:
+Codegen enables you to programmatically manipulate code with scale and precision.
 
+<Frame caption="Call graph visualization for modal/modal-client">
 <iframe
   width="100%"
   height="500px"
@@ -79,6 +80,7 @@ Codegen enables you to programmatically manipulate code at scale. Here's a visua
     backgroundColor: "#15141b",
   }}
 ></iframe>
+</Frame>
 
 Common use cases include:
 
@@ -113,9 +115,6 @@ Common use cases include:
   </Card>
 </CardGroup>
 
-<Note>
-  Codegen handles complex operations while maintaining correctness - automatically updating imports, references, and dependencies across files.
-</Note>
 
 ## Get Started
 

docs/tutorials/at-a-glance.mdx

@@ -18,11 +18,11 @@ Explore our tutorials to learn how to use Codegen for various code transformatio
     Generate interactive visualizations of your codebase's structure, dependencies, and relationships.
   </Card>
   <Card
-    title="Generate Training Data"
+    title="Mine Training Data"
     icon="robot"
     href="/tutorials/training-data"
   >
-    Create high-quality training data for fine-tuning LLMs on your codebase.
+    Create high-quality training data for LLM pre-training similar to word2vec or node2vec
   </Card>
   <Card
     title="Manage Feature Flags"