Merge pull request #27 from riya-amemiya/riya-amemiya/fix-typos

fix: correct typos in spec-driven.md

Author: localden

spec-driven.md

@@ -34,13 +34,13 @@ The feedback loop extends beyond initial development. Production metrics and inc
 
 Three trends make SDD not just possible but necessary:
 
-First, AI capabilities have reached a threshold where natural language specifications can reliably generate working code. This isn't about replacing developers—it's about amplifying their effectiveness by automating the mechanical translation from specification to implementation. It can amplify exploration and creativity, it can support "start-over" easily, it supports addition substraction and critical thinking.
+First, AI capabilities have reached a threshold where natural language specifications can reliably generate working code. This isn't about replacing developers—it's about amplifying their effectiveness by automating the mechanical translation from specification to implementation. It can amplify exploration and creativity, it can support "start-over" easily, it supports addition subtraction and critical thinking.
 
-Second, software complexity continues to grow exponentially. Modern systems integrate dozens of services, frameworks, and dependencies. Keeping all these pieces aligned with original intent through manual processes becomes increasingly difficult. SDD provides systematic alignment through specification-driven generation. Frameworks may eviolve to provide AI-first support, not human-first support, or architect around reusable components. 
+Second, software complexity continues to grow exponentially. Modern systems integrate dozens of services, frameworks, and dependencies. Keeping all these pieces aligned with original intent through manual processes becomes increasingly difficult. SDD provides systematic alignment through specification-driven generation. Frameworks may evolve to provide AI-first support, not human-first support, or architect around reusable components.
 
 Third, the pace of change accelerates. Requirements change far more rapidly today than ever before. Pivoting is no longer exceptional—it's expected. Modern product development demands rapid iteration based on user feedback, market conditions, and competitive pressures. Traditional development treats these changes as disruptions. Each pivot requires manually propagating changes through documentation, design, and code. The result is either slow, careful updates that limit velocity, or fast, reckless changes that accumulate technical debt.
 
-SDD can support what-if/simulation experiments, "If we need to re-implement of change the application to promote a business need to sell more T-shirts, how would we implement and experiment for that?". 
+SDD can support what-if/simulation experiments, "If we need to re-implement or change the application to promote a business need to sell more T-shirts, how would we implement and experiment for that?".
 
 SDD transforms requirement changes from obstacles into normal workflow. When specifications drive implementation, pivots become systematic regenerations rather than manual rewrites. Change a core requirement in the PRD, and affected implementation plans update automatically. Modify a user story, and corresponding API endpoints regenerate. This isn't just about initial development—it's about maintaining engineering velocity through inevitable changes.